© Copyright MMXVI NewPath Learning. All Rights Reserved. Permission is granted for the purchaser to make copies for non-commercial educational purposes only. Visit us at www.newpathworksheets.com

Elements & the Periodic Table

B5

Boron

84

PoPolonium

Si14

Silicon

As33

ArsenicGe

32

Germanium

Sb51

AntimonyTe52

Tellurium

At85

Astatine

H1

HydrogenHe

2

Helium

Ne10

Neon

Ar18

Argon

Kr36

Krypton

Xe54

Xenon

Rn86

Radon

Br

Hg

35

Bromine

Cl17

Chlorine

F9

FlourineO8

OxygenN7

NitrogenC6

CarbonB5

BoronLi

3

Lithium

Na11

Sodium

K19

PotassiumCa

20

Calcium

Rb37

Rubidium

Cs55

Cesium

Fr87

FranciumRa

88

RadiumAc

89

ActiniumRf104

Rutherfordium

Db105

Dubnium

Ce58

Cerium

Th90

ThoriumPa

91

Protactinium

Pr59

PraseodymiumNd

60

Neodymium

U92

UraniumNp

93

Neptunium

Pm61

PromethiumSm

62

Samarium

Pu94

PlutoniumAm

95

Americium

Eu63

EuropiumGd

64

Gadolinium

Cm96

CuriumBk

97

Berkelium

Tb65

TerbiumDy

66

Dysprosium

Cf98

CaliforniumEs

99

Einsteinium

Ho67

HolmiumEr68

Erbium

Fm100

FermiumMd

101

Mendelevium

Tm69

ThuliumYb

70

YtterbiumLu

71

Lutetium

No102

NobeliumLr103

Lawrencium

Sg106

SeaborgiumBh107

BohriumHs108

HassiumMt109

Meitnerium

110

Ununnilium

111

Unununium

112

UnunbiumUubUuuUun

Ba56

BariumLa

57

LanthanumHf72

HafniumTa73

TantalumW74

TungstunRe

75

RheniumOs

76

OsmiumIr77

IridiumPt78

PlatinumAu

79

Gold

80

MercuryTl81

ThalliumPb

82

LeadBi83 84

BismuthPo

Polonium

Sr38

StrontiumY39

YttriumZr40

ZirconiumNb

41

NiobiumMo

42

MolybdenumTc

43

TechnetiumRu

44

RutheniumRh

45

RhodiumPd

46

PalladiumAg

47

SilverCd

48

CadmiumIn49

IndiumSn

50

Tin

Sc21

ScandiumTi22

TitaniumV23

VanadiumCr24

ChromiumMn

25

ManganeseFe

26

IronCo

27

CobaltNi28

NickelCu

29

CopperZn

30

ZincGa

31

Gallium

Al13

AluminumMg

12

Magnesium

Be4

Berylium

Si14

SiliconP15

PhosphorusS16

Sulfur

Se34

SeleniumAs

33

ArsenicGe

32

Germanium

Sb51

AntimonyTe52

TelluriumI

53

Iodine

At85

Astatine

1

2

15 16 17

18

7

6

5

4

3

1

2

6

5

4

3

1

2

3 4 5 6 7 8 9 10 11 12

13 14H1

HydrogenHe

2

Helium

Ne10

Neon

Ar18

Argon

Kr36

Krypton

Xe54

Xenon

Rn86

Radon

Br

Hg

35

Bromine

Cl17

Chlorine

F9

FlourineO8

OxygenN7

NitrogenC6

CarbonB5

BoronLi

3

Lithium

Na11

Sodium

K19

PotassiumCa

20

Calcium

Rb37

Rubidium

Cs55

Cesium

Fr87

FranciumRa

88

RadiumAc

89

ActiniumRf104

Rutherfordium

Db105

Dubnium

Ce58

Cerium

Th90

ThoriumPa

91

Protactinium

Pr59

PraseodymiumNd

60

Neodymium

U92

UraniumNp

93

Neptunium

Pm61

PromethiumSm

62

Samarium

Pu94

PlutoniumAm

95

Americium

Eu63

EuropiumGd

64

Gadolinium

Cm96

CuriumBk

97

Berkelium

Tb65

TerbiumDy

66

Dysprosiumyy

Cf98

CaliforniumEs

99

Einsteinium

Ho67

HolmiumEr68

Erbium

Fm100

FermiumMd

101

Mendelevium

Tm69

ThuliumYb

70

YtterbiumLu

71

Lutetium

No102

NobeliumLr103

Lawrencium

Sg106

SeaborgiumBh107

BohriumHs108

HassiumMt109

Meitnerium

110

Ununnilium

111

Unununium

112

UnunbiumUubUuuUun

Ba56

BariumLa

57

LanthanumHf72

HafniumTa73

TantalumW74

TungstunRe

75

RheniumOs

76

OsmiumIr77

IridiumPt78

PlatinumAu

79

Gold

80

MercuryTl81

ThalliumPb

82

LeadBi83 84

BismuthPo

Polonium

Sr38

StrontiumY39

YttriumZr40

ZirconiumNb

41

NiobiumMo

42

MolybdenumTc

43

TechnetiumRu

44

RutheniumRh

45

RhodiumPd

46

PalladiumAg

47

Silverg Cd

48

CadmiumIn49

IndiumSn

50

Tin

Sc21

ScandiumTi22

TitaniumV23

VanadiumCr24

ChromiumMn

25

ManganeseFe

26

IronCo

27

CobaltNi28

NickelCu

29

CopperZn

30

ZincGa

31

Gallium

Al13

AluminumMg

12

Magnesiumgg

Be4

Berylium

Si14

SiliconP15

PhosphorusS16

Sulfur

Se34

SeleniumAs

33

ArsenicGe

32

Germanium

Sb51

AntimonyTe52

TelluriumI

53

Iodine

At85

Astatine

1

2

15 16 17

18

7

6

5

4

3

1

2

6

5

4

3

1

2

3 4 5 6 7 8 9 10 11 12

13 14

Ne10

NeonF9

FlourineO8

OxygenN7

NitrogenC6

CarbonB5

Boron

H1

Hydrogen

Li3

Lithium

Na11

Sodium

K19

PotassiumCa

20

Calcium

Rb37

Rubidium

Cs55

Cesium

Fr87

FranciumRa

88

RadiumAc

89

Actinium

Ba56

BariumLa

57

Lanthanum

Sr38

StrontiumY39

Yttrium

Sc21

Scandium

Mg12

Magnesium

Be4

Berylium

1

2

3

6 Circle the answer. An atom with seven valence electrons

will only need one more electron to bond to another atom. This is a characteristic of _______.

7 As you go from top to bottom down any group in the periodic table, the number of valence electrons _______.

a. increases

b. decreases

c. remains the same

1 Silicon (Si) and boron (B) are called metalloids because they _______.

Circle the answer.

a. always act as metals

b. always act as nonmetals

c. act as both metals and nonmetals

3 Why are argon (Ar) and krypton (Kr) considered noble gases?

a. They do not react with other elements.

b. They only react with metals.

c. They only react with nonmetals.

2 Carbon (C) has 4 electrons in its valence shell. How many more electrons does carbon need to have a full valence shell?

Write the answer.

10 Some atomic mass numbers are not whole numbers because some atoms have _______.

a. different numbers of electrons

b. neutrons missing matter

c. many isotopes with different masses

9 Which statement correctly compares potassium (K) and sodium (Na)?

a. Na has 8 more protons than K

b. K has 8 more protons than Na

c. K has a smaller atomic mass

8 An atom with two electrons in its outer shell would be in which Group on the periodic table?

4 If an atom has one electron in its outer shell, this means that the atom will always _______.

a. take 7 more electrons

b. give up one electron

c. act as a noble gas

5 What happens to the atomic number as you read from left to right across any period in the periodic table?

a. increases

b. decreases

c. remains the same

Name ____________________________ Class __________________ Date ____________

PhysSci

1 2 3

He2

Helium

Ne10

Neon

Ar18

Argon

Kr36

Krypton

Xe54

Xenon

Rn86

Radon

1

2

18

6

5

4

3

metals noble gases

nonmetals neutrons

H1

HydrogenHe

2

Helium

Ne10

Neon

Ar18

Argon

Kr36

Krypton

Xe54

Xenon

Rn86

Radon

Br

Hg

35

Bromine

Cl17

Chlorine

F9

FlourineO8

OxygenN7

NitrogenC6

CarbonB5

BoronLi

3

Lithium

Na11

Sodium

K19

PotassiumCa

20

Calcium

Rb37

Rubidium

Cs55

Cesium

Fr87

FranciumRa

88

RadiumAc

89

ActiniumRf104

Rutherfordium

Db105

Dubnium

Ce58

Cerium

Th90

ThoriumPa

91

Protactinium

Pr59

PraseodymiumNd

60

Neodymium

U92

UraniumNp

93

Neptunium

Pm61

PromethiumSm

62

Samarium

Pu94

PlutoniumAm

95

Americium

Eu63

EuropiumGd

64

Gadolinium

Cm96

CuriumBk

97

Berkelium

Tb65

TerbiumDy

66

Dysprosium

Cf98

CaliforniumEs

99

Einsteinium

Ho67

HolmiumEr68

Erbium

Fm100

FermiumMd

101

Mendelevium

Tm69

ThuliumYb

70

YtterbiumLu

71

Lutetium

No102

NobeliumLr103

Lawrencium

Sg106

SeaborgiumBh107

BohriumHs108

HassiumMt109

Meitnerium

110

Ununnilium

111

Unununium

112

UnunbiumUubUuuUun

Ba56

BariumLa

57

LanthanumHf72

HafniumTa73

TantalumW74

TungstunRe

75

RheniumOs

76

OsmiumIr77

IridiumPt78

PlatinumAu

79

Gold

80

MercuryTl81

ThalliumPb

82

LeadBi83 84

BismuthPo

Polonium

Sr38

StrontiumY39

YttriumZr40

ZirconiumNb

41

NiobiumMo

42

MolybdenumTc

43

TechnetiumRu

44

RutheniumRh

45

RhodiumPd

46

PalladiumAg

47

SilverCd

48

CadmiumIn49

IndiumSn

50

Tin

Sc21

ScandiumTi22

TitaniumV23

VanadiumCr24

ChromiumMn

25

ManganeseFe

26

IronCo

27

CobaltNi28

NickelCu

29

CopperZn

30

ZincGa

31

Gallium

Al13

AluminumMg

12

Magnesium

Be4

Berylium

Si14

SiliconP15

PhosphorusS16

Sulfur

Se34

SeleniumAs

33

ArsenicGe

32

Germanium

Sb51

AntimonyTe52

TelluriumI

53

Iodine

At85

Astatine

1

2

15 16 17

18

7

6

5

4

3

1

2

6

5

4

3

1

2

3 4 5 6 7 8 9 10 11 12

13 14H1

HydrogenHe

2

Helium

Ne10

Neon

Ar18

Argon

Kr36

Krypton

Xe54

Xenon

Rn86

Radon

Br

Hg

35

Bromine

Cl17

Chlorine

F9

FlourineO8

OxygenN7

NitrogenC6

CarbonB5

BoronLi

3

Lithium

Na11

Sodium

K19

PotassiumCa

20

Calcium

Rb37

Rubidium

Cs55

Cesium

Fr87

FranciumRa

88

RadiumAc

89

ActiniumRf104

Rutherfordium

Db105

Dubnium

Ce58

Cerium

Th90

ThoriumPa

91

Protactinium

Pr59

PraseodymiumNd

60

Neodymium

U92

UraniumNp

93

Neptunium

Pm61

PromethiumSm

62

Samarium

Pu94

PlutoniumAm

95

Americium

Eu63

EuropiumGd

64

Gadolinium

Cm96

CuriumBk

97

Berkelium

Tb65

TerbiumDy

66

Dysprosiumyy

Cf98

CaliforniumEs

99

Einsteinium

Ho67

HolmiumEr68

Erbium

Fm100

FermiumMd

101

Mendelevium

Tm69

ThuliumYb

70

YtterbiumLu

71

Lutetium

No102

NobeliumLr103

Lawrencium

Sg106

SeaborgiumBh107

BohriumHs108

HassiumMt109

Meitnerium

110

Ununnilium

111

Unununium

112

UnunbiumUubUuuUun

Ba56

BariumLa

57

LanthanumHf72

HafniumTa73

TantalumW74

TungstunRe

75

RheniumOs

76

OsmiumIr77

IridiumPt78

PlatinumAu

79

Gold

80

MercuryTl81

ThalliumPb

82

LeadBi83 84

BismuthPo

Polonium

Sr38

StrontiumY39

YttriumZr40

ZirconiumNb

41

NiobiumMo

42

MolybdenumTc

43

TechnetiumRu

44

RutheniumRh

45

RhodiumPd

46

PalladiumAg

47

Silverg Cd

48

CadmiumIn49

IndiumSn

50

Tin

Sc21

ScandiumTi22

TitaniumV23

VanadiumCr24

ChromiumMn

25

ManganeseFe

26

IronCo

27

CobaltNi28

NickelCu

29

CopperZn

30

ZincGa

31

Gallium

Al13

AluminumMg

12

Magnesiumgg

Be4

Berylium

Si14

SiliconP15

PhosphorusS16

Sulfur

Se34

SeleniumAs

33

ArsenicGe

32

Germanium

Sb51

AntimonyTe52

TelluriumI

53

Iodine

At85

Astatine

1

2

15 16 17

18

7

6

5

4

3

1

2

6

5

4

3

1

2

3 4 5 6 7 8 9 10 11 12

13 14

110

UnunniliumUun

Pt78

Platinum

Pd46

Palladium

Ni28

Nickel

10

H1

1.0079

Li3

6.941

Na11

22.990

K19

39.098

Rb37

85.468

Cs55

132.91

Fr87

223

H1

1.0079

Li3

6.941

Na11

22.990

K19

39.098

Rb37

85.468

Cs55

132.91

Fr87

223

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Elements & the Periodic Table - Answer Key

B5

Boron

84

PoPolonium

Si14

Silicon

As33

ArsenicGe

32

Germanium

Sb51

AntimonyTe52

Tellurium

At85

Astatine

H1

HydrogenHe

2

Helium

Ne10

Neon

Ar18

Argon

Kr36

Krypton

Xe54

Xenon

Rn86

Radon

Br

Hg

35

Bromine

Cl17

Chlorine

F9

FlourineO8

OxygenN7

NitrogenC6

CarbonB5

BoronLi

3

Lithium

Na11

Sodium

K19

PotassiumCa

20

Calcium

Rb37

Rubidium

Cs55

Cesium

Fr87

FranciumRa

88

RadiumAc

89

ActiniumRf104

Rutherfordium

Db105

Dubnium

Ce58

Cerium

Th90

ThoriumPa

91

Protactinium

Pr59

PraseodymiumNd

60

Neodymium

U92

UraniumNp

93

Neptunium

Pm61

PromethiumSm

62

Samarium

Pu94

PlutoniumAm

95

Americium

Eu63

EuropiumGd

64

Gadolinium

Cm96

CuriumBk

97

Berkelium

Tb65

TerbiumDy

66

Dysprosium

Cf98

CaliforniumEs

99

Einsteinium

Ho67

HolmiumEr68

Erbium

Fm100

FermiumMd

101

Mendelevium

Tm69

ThuliumYb

70

YtterbiumLu

71

Lutetium

No102

NobeliumLr103

Lawrencium

Sg106

SeaborgiumBh107

BohriumHs108

HassiumMt109

Meitnerium

110

Ununnilium

111

Unununium

112

UnunbiumUubUuuUun

Ba56

BariumLa

57

LanthanumHf72

HafniumTa73

TantalumW74

TungstunRe

75

RheniumOs

76

OsmiumIr77

IridiumPt78

PlatinumAu

79

Gold

80

MercuryTl81

ThalliumPb

82

LeadBi83 84

BismuthPo

Polonium

Sr38

StrontiumY39

YttriumZr40

ZirconiumNb

41

NiobiumMo

42

MolybdenumTc

43

TechnetiumRu

44

RutheniumRh

45

RhodiumPd

46

PalladiumAg

47

SilverCd

48

CadmiumIn49

IndiumSn

50

Tin

Sc21

ScandiumTi22

TitaniumV23

VanadiumCr24

ChromiumMn

25

ManganeseFe

26

IronCo

27

CobaltNi28

NickelCu

29

CopperZn

30

ZincGa

31

Gallium

Al13

AluminumMg

12

Magnesium

Be4

Berylium

Si14

SiliconP15

PhosphorusS16

Sulfur

Se34

SeleniumAs

33

ArsenicGe

32

Germanium

Sb51

AntimonyTe52

TelluriumI

53

Iodine

At85

Astatine

1

2

15 16 17

18

7

6

5

4

3

1

2

6

5

4

3

1

2

3 4 5 6 7 8 9 10 11 12

13 14H1

HydrogenHe

2

Helium

Ne10

Neon

Ar18

Argon

Kr36

Krypton

Xe54

Xenon

Rn86

Radon

Br

Hg

35

Bromine

Cl17

Chlorine

F9

FlourineO8

OxygenN7

NitrogenC6

CarbonB5

BoronLi

3

Lithium

Na11

Sodium

K19

PotassiumCa

20

Calcium

Rb37

Rubidium

Cs55

Cesium

Fr87

FranciumRa

88

RadiumAc

89

ActiniumRf104

Rutherfordium

Db105

Dubnium

Ce58

Cerium

Th90

ThoriumPa

91

Protactinium

Pr59

PraseodymiumNd

60

Neodymium

U92

UraniumNp

93

Neptunium

Pm61

PromethiumSm

62

Samarium

Pu94

PlutoniumAm

95

Americium

Eu63

EuropiumGd

64

Gadolinium

Cm96

CuriumBk

97

Berkelium

Tb65

TerbiumDy

66

Dysprosiumyy

Cf98

CaliforniumEs

99

Einsteinium

Ho67

HolmiumEr68

Erbium

Fm100

FermiumMd

101

Mendelevium

Tm69

ThuliumYb

70

YtterbiumLu

71

Lutetium

No102

NobeliumLr103

Lawrencium

Sg106

SeaborgiumBh107

BohriumHs108

HassiumMt109

Meitnerium

110

Ununnilium

111

Unununium

112

UnunbiumUubUuuUun

Ba56

BariumLa

57

LanthanumHf72

HafniumTa73

TantalumW74

TungstunRe

75

RheniumOs

76

OsmiumIr77

IridiumPt78

PlatinumAu

79

Gold

80

MercuryTl81

ThalliumPb

82

LeadBi83 84

BismuthPo

Polonium

Sr38

StrontiumY39

YttriumZr40

ZirconiumNb

41

NiobiumMo

42

MolybdenumTc

43

TechnetiumRu

44

RutheniumRh

45

RhodiumPd

46

PalladiumAg

47

Silverg Cd

48

CadmiumIn49

IndiumSn

50

Tin

Sc21

ScandiumTi22

TitaniumV23

VanadiumCr24

ChromiumMn

25

ManganeseFe

26

IronCo

27

CobaltNi28

NickelCu

29

CopperZn

30

ZincGa

31

Gallium

Al13

AluminumMg

12

Magnesiumgg

Be4

Berylium

Si14

SiliconP15

PhosphorusS16

Sulfur

Se34

SeleniumAs

33

ArsenicGe

32

Germanium

Sb51

AntimonyTe52

TelluriumI

53

Iodine

At85

Astatine

1

2

15 16 17

18

7

6

5

4

3

1

2

6

5

4

3

1

2

3 4 5 6 7 8 9 10 11 12

13 14

Ne10

NeonF9

FlourineO8

OxygenN7

NitrogenC6

CarbonB5

Boron

H1

Hydrogen

Li3

Lithium

Na11

Sodium

K19

PotassiumCa

20

Calcium

Rb37

Rubidium

Cs55

Cesium

Fr87

FranciumRa

88

RadiumAc

89

Actinium

Ba56

BariumLa

57

Lanthanum

Sr38

StrontiumY39

Yttrium

Sc21

Scandium

Mg12

Magnesium

Be4

Berylium

1

2

3

6 Circle the answer. An atom with seven valence electrons

will only need one more electron to bond to another atom. This is a characteristic of _______.

7 As you go from top to bottom down any group in the periodic table, the number of valence electrons _______.

a. increases

b. decreases

c. remains the same

1 Silicon (Si) and boron (B) are called metalloids because they _______.

Circle the answer.

a. always act as metals

b. always act as nonmetals

c. act as both metals and nonmetals

3 Why are argon (Ar) and krypton (Kr) considered noble gases?

a. They do not react with other elements.

b. They only react with metals.

c. They only react with nonmetals.

2 Carbon (C) has 4 electrons in its valence shell. How many more electrons does carbon need to have a full valence shell?

Write the answer.

10 Some atomic mass numbers are not whole numbers because some atoms have _______.

a. different numbers of electrons

b. neutrons missing matter

c. many isotopes with different masses

9 Which statement correctly compares potassium (K) and sodium (Na)?

a. Na has 8 more protons than K

b. K has 8 more protons than Na

c. K has a smaller atomic mass

8 An atom with two electrons in its outer shell would be in which Group on the periodic table?

4 If an atom has one electron in its outer shell, this means that the atom will always _______.

a. take 7 more electrons

b. give up one electron

c. act as a noble gas

5 What happens to the atomic number as you read from left to right across any period in the periodic table?

a. increases

b. decreases

c. remains the same

Name ____________________________ Class __________________ Date ____________

PhysSci

1 2 3

He2

Helium

Ne10

Neon

Ar18

Argon

Kr36

Krypton

Xe54

Xenon

Rn86

Radon

1

2

18

6

5

4

3

metals noble gases

nonmetals neutrons

H1

HydrogenHe

2

Helium

Ne10

Neon

Ar18

Argon

Kr36

Krypton

Xe54

Xenon

Rn86

Radon

Br

Hg

35

Bromine

Cl17

Chlorine

F9

FlourineO8

OxygenN7

NitrogenC6

CarbonB5

BoronLi

3

Lithium

Na11

Sodium

K19

PotassiumCa

20

Calcium

Rb37

Rubidium

Cs55

Cesium

Fr87

FranciumRa

88

RadiumAc

89

ActiniumRf104

Rutherfordium

Db105

Dubnium

Ce58

Cerium

Th90

ThoriumPa

91

Protactinium

Pr59

PraseodymiumNd

60

Neodymium

U92

UraniumNp

93

Neptunium

Pm61

PromethiumSm

62

Samarium

Pu94

PlutoniumAm

95

Americium

Eu63

EuropiumGd

64

Gadolinium

Cm96

CuriumBk

97

Berkelium

Tb65

TerbiumDy

66

Dysprosium

Cf98

CaliforniumEs

99

Einsteinium

Ho67

HolmiumEr68

Erbium

Fm100

FermiumMd

101

Mendelevium

Tm69

ThuliumYb

70

YtterbiumLu

71

Lutetium

No102

NobeliumLr103

Lawrencium

Sg106

SeaborgiumBh107

BohriumHs108

HassiumMt109

Meitnerium

110

Ununnilium

111

Unununium

112

UnunbiumUubUuuUun

Ba56

BariumLa

57

LanthanumHf72

HafniumTa73

TantalumW74

TungstunRe

75

RheniumOs

76

OsmiumIr77

IridiumPt78

PlatinumAu

79

Gold

80

MercuryTl81

ThalliumPb

82

LeadBi83 84

BismuthPo

Polonium

Sr38

StrontiumY39

YttriumZr40

ZirconiumNb

41

NiobiumMo

42

MolybdenumTc

43

TechnetiumRu

44

RutheniumRh

45

RhodiumPd

46

PalladiumAg

47

SilverCd

48

CadmiumIn49

IndiumSn

50

Tin

Sc21

ScandiumTi22

TitaniumV23

VanadiumCr24

ChromiumMn

25

ManganeseFe

26

IronCo

27

CobaltNi28

NickelCu

29

CopperZn

30

ZincGa

31

Gallium

Al13

AluminumMg

12

Magnesium

Be4

Berylium

Si14

SiliconP15

PhosphorusS16

Sulfur

Se34

SeleniumAs

33

ArsenicGe

32

Germanium

Sb51

AntimonyTe52

TelluriumI

53

Iodine

At85

Astatine

1

2

15 16 17

18

7

6

5

4

3

1

2

6

5

4

3

1

2

3 4 5 6 7 8 9 10 11 12

13 14H1

HydrogenHe

2

Helium

Ne10

Neon

Ar18

Argon

Kr36

Krypton

Xe54

Xenon

Rn86

Radon

Br

Hg

35

Bromine

Cl17

Chlorine

F9

FlourineO8

OxygenN7

NitrogenC6

CarbonB5

BoronLi

3

Lithium

Na11

Sodium

K19

PotassiumCa

20

Calcium

Rb37

Rubidium

Cs55

Cesium

Fr87

FranciumRa

88

RadiumAc

89

ActiniumRf104

Rutherfordium

Db105

Dubnium

Ce58

Cerium

Th90

ThoriumPa

91

Protactinium

Pr59

PraseodymiumNd

60

Neodymium

U92

UraniumNp

93

Neptunium

Pm61

PromethiumSm

62

Samarium

Pu94

PlutoniumAm

95

Americium

Eu63

EuropiumGd

64

Gadolinium

Cm96

CuriumBk

97

Berkelium

Tb65

TerbiumDy

66

Dysprosiumyy

Cf98

CaliforniumEs

99

Einsteinium

Ho67

HolmiumEr68

Erbium

Fm100

FermiumMd

101

Mendelevium

Tm69

ThuliumYb

70

YtterbiumLu

71

Lutetium

No102

NobeliumLr103

Lawrencium

Sg106

SeaborgiumBh107

BohriumHs108

HassiumMt109

Meitnerium

110

Ununnilium

111

Unununium

112

UnunbiumUubUuuUun

Ba56

BariumLa

57

LanthanumHf72

HafniumTa73

TantalumW74

TungstunRe

75

RheniumOs

76

OsmiumIr77

IridiumPt78

PlatinumAu

79

Gold

80

MercuryTl81

ThalliumPb

82

LeadBi83 84

BismuthPo

Polonium

Sr38

StrontiumY39

YttriumZr40

ZirconiumNb

41

NiobiumMo

42

MolybdenumTc

43

TechnetiumRu

44

RutheniumRh

45

RhodiumPd

46

PalladiumAg

47

Silverg Cd

48

CadmiumIn49

IndiumSn

50

Tin

Sc21

ScandiumTi22

TitaniumV23

VanadiumCr24

ChromiumMn

25

ManganeseFe

26

IronCo

27

CobaltNi28

NickelCu

29

CopperZn

30

ZincGa

31

Gallium

Al13

AluminumMg

12

Magnesiumgg

Be4

Berylium

Si14

SiliconP15

PhosphorusS16

Sulfur

Se34

SeleniumAs

33

ArsenicGe

32

Germanium

Sb51

AntimonyTe52

TelluriumI

53

Iodine

At85

Astatine

1

2

15 16 17

18

7

6

5

4

3

1

2

6

5

4

3

1

2

3 4 5 6 7 8 9 10 11 12

13 14

110

UnunniliumUun

Pt78

Platinum

Pd46

Palladium

Ni28

Nickel

10

H1

1.0079

Li3

6.941

Na11

22.990

K19

39.098

Rb37

85.468

Cs55

132.91

Fr87

223

H1

1.0079

Li3

6.941

Na11

22.990

K19

39.098

Rb37

85.468

Cs55

132.91

Fr87

223

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