CalciumCalcium
atomic number- 20atomic number- 20
atomic mass- 40.078 atomic mass- 40.078
Protons-20Protons-20
Neutrons-20Neutrons-20
Electrons-20 Electrons-20
Calcium Common Naturally Calcium Common Naturally Occurring Isotopes Occurring Isotopes
40- 39.9525940- 39.9525941- 9522741- 9522742- 49.9586142- 49.9586143- 42.9587643- 42.9587645- 44.9561845- 44.9561846- 45.9538946- 45.9538947- 46.9545447- 46.9545448- 47.9525348- 47.95253
To find the atomic mass…To find the atomic mass…
40- (39.962590983) (.6941) +40- (39.962590983) (.6941) +41- (40.962278062) (0) +41- (40.962278062) (0) +42- (41.958618014) (0.6470+42- (41.958618014) (0.6470+43- (44.9587618656) (0.135) +43- (44.9587618656) (0.135) +44- (43.955481754) (2.086) +44- (43.955481754) (2.086) +45- (44.956186566) (0) +45- (44.956186566) (0) +46- (45.953692587) (0.004) +46- (45.953692587) (0.004) +47- (46.9454008) (0) +47- (46.9454008) (0) +48- (47.952534177) (0.187)48- (47.952534177) (0.187)
Full and Abbreviated Electron Full and Abbreviated Electron ConfigurationConfiguration
1s2, 2s2, 2p6, 3s2, 3p6, 4s21s2, 2s2, 2p6, 3s2, 3p6, 4s2
[Ar] 4s2[Ar] 4s2
Information on CalciumInformation on Calcium
Calcium is found in Calcium is found in rocks, chalk, and rocks, chalk, and seashells. It’s found in seashells. It’s found in the bones, muscles, the bones, muscles, and nerves of animals and nerves of animals and humans, as well and humans, as well as, many plants.as, many plants.
Sir Humphrey Davy Sir Humphrey Davy discovered Calcium in discovered Calcium in 1808.1808.
SilverSilver
atomic number-47 atomic number-47
atomic mass- 107.8682 atomic mass- 107.8682
Protons-20Protons-20
Neutrons-61Neutrons-61
Electrons-20Electrons-20
Silver Common Naturally Occurring Silver Common Naturally Occurring IsotopesIsotopes
105- 104.9065105- 104.9065
106- 105.9066106- 105.9066
107- 106.9060107- 106.9060
108- 107.9059108- 107.9059
109- 108.9047109- 108.9047
111- 110.9052111- 110.9052
To find the atomic mass…To find the atomic mass…
105- (104.906528661) (0) +105- (104.906528661) (0) +
106- (105.906668921) (0) +106- (105.906668921) (0) +
107- (106.90509682) (.51839) +107- (106.90509682) (.51839) +
108- (107.905955556) (0) +108- (107.905955556) (0) +
111- (110.905291157) (0)111- (110.905291157) (0)
Full and Abbreviated Electron Full and Abbreviated Electron ConfigurationConfiguration
1s2 ,2s2 ,2p6 ,3s2 ,3p6 ,4s2 ,3d10, 4p6, 1s2 ,2s2 ,2p6 ,3s2 ,3p6 ,4s2 ,3d10, 4p6, 5s1, 4d10.5s1, 4d10.
[Kr] 5s1, 4d10.[Kr] 5s1, 4d10.
Information about SilverInformation about Silver
Silver can be found in Silver can be found in igneous and igneous and sedimentary ore like sedimentary ore like galena.galena.
No one actually knows No one actually knows who discovered the who discovered the chemical element chemical element Silver, but there is Silver, but there is evidence it was known evidence it was known to the ancients.to the ancients.
NeptuniumNeptunium
atomic number-93 atomic number-93
atomic mass- 237.0481 atomic mass- 237.0481
Protons-93Protons-93
Neutrons-144Neutrons-144
Electrons-93Electrons-93
Neptunium Common Naturally Neptunium Common Naturally Occurring IsotopesOccurring Isotopes
235- 235.0440235- 235.0440
236- 236.0465236- 236.0465
237- 237.0481237- 237.0481
To find atomic mass…To find atomic mass…
40- (39.962590983) (.6941) +40- (39.962590983) (.6941) +41- (40.962278062) (0) +41- (40.962278062) (0) +42- (41.958618014) (0.6470+42- (41.958618014) (0.6470+43- (44.9587618656) (0.135) +43- (44.9587618656) (0.135) +44- (43.955481754) (2.086) +44- (43.955481754) (2.086) +45- (44.956186566) (0) +45- (44.956186566) (0) +46- (45.953692587) (0.004) +46- (45.953692587) (0.004) +47- (46.9454008) (0) +47- (46.9454008) (0) +48- (47.952534177) (0.187)48- (47.952534177) (0.187)
Full and abbreviated electron Full and abbreviated electron configuration for Neptuniumconfiguration for Neptunium
1s2, 2s2 ,2p6 ,3s2, 3p6, 4s2 ,3d10, 1s2, 2s2 ,2p6 ,3s2, 3p6, 4s2 ,3d10, 4p6 ,5s2 ,4d10, 5p6, 6s2, 4f14 ,5d10 6p6, 4p6 ,5s2 ,4d10, 5p6, 6s2, 4f14 ,5d10 6p6, 7s2, 5f4.7s2, 5f4.
[Rn] 5f4, 6d2, 7s2.[Rn] 5f4, 6d2, 7s2.
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