Chemistry F4 Periodic Table Exersice 1
-
Upload
siti-aizatie-ramli -
Category
Documents
-
view
217 -
download
0
Transcript of Chemistry F4 Periodic Table Exersice 1
-
7/28/2019 Chemistry F4 Periodic Table Exersice 1
1/4
Tutor: Siti Aizatie RamliChemistry Form 4
1
CHAPTER 4: PERIODIC TABLE OF ELEMENTS
Instruction: Fill in the blank with appropriate answer.
In Periodic Table, elements are arranged in order of increasing __________________________.
The vertical column is known as _________________ and the horizontal rows are known as_____________.
The elements in the same group have the same number of _______________________.
The number of _______________________ determined the period number.
GROUP 1
The elements of Group 1 are: ____________ , ____________ , ____________ , ____________ ,
____________ , and ____________ .
Elements in Group 1 are also known as ____________________.
Number of valence electron: ____.
The elements in Group 1 are good ______________ of heat and electricity.
As we go down Group 1;
1. The atomic radius _________________.
2. The melting point and boiling point _________________.
3. The density ___________________.
4. The electrostatic force of attraction between nucleus and the valence electron
becomes __________.
5. The elements have a higher tendency to ______________ its valence electron.
6. The electropositivity ________________.
7. The reactivity ______________ down the group.
Chemical properties of Group 1:
1. React actively with water to produce ___________________ and _________________
gas.
Chemical equation:
2. React with halides to form ____________________.
Chemical equation:
-
7/28/2019 Chemistry F4 Periodic Table Exersice 1
2/4
Tutor: Siti Aizatie RamliChemistry Form 4
2
3. Burn in air to produce _________________ which is soluble in _______________.
Chemical equation:
GROUP 17
The elements of Group 17 are: ____________ , ____________ , ____________ , ____________ ,
and ____________ .
Elements in Group 17 are also known as ____________________.
Number of valence electron: ____.
They exist as ______________.
As we go down Group 17;
1. The atomic radius _________________.
2. The melting point and boiling point _________________.
3. The density ___________________.
4. The electrostatic force of attraction between nucleus and the valence electron
becomes __________.
5. The elements with smaller nuclei can ___________ electron more easily.
6. The electronegativity _________________.
7. The reactivity ______________ down the group.
Chemical properties of Group 17:
1. React with water to form ____________.
Chemical equation:
2. React with alkali solution to form ____________ and _____________.
Chemical equation:
3. React with iron wool to form brown _______________.
-
7/28/2019 Chemistry F4 Periodic Table Exersice 1
3/4
Tutor: Siti Aizatie RamliChemistry Form 4
3
Chemical equation:
GROUP 18
The elements of Group 18 are: ____________ , ____________ , ____________ , ____________ ,____________ , and ____________ .
Elements in Group 18 are also known as ____________________.
The elements in Group 18 are _____________.
Number of valence electron: ____.
They exist as ______________.
All elements in Group 18 are ______________ in water and do not conduct
__________________.
They have ______________ melting point and boiling point.
They have ______________ density.
As we go down Group 18;
1. Atomic radius ______________.
2. Van der walls force becomes ___________________.
3. Density _____________ because the relative atomic mass ________________.
Elements in Group 18 do not form compounds with other elements because they have
_________ or __________ electronic configuration. Thus they do not ___________, ___________ ,
or ___________ electrons with other elements.
Characteristics across Period 3 elements.
Elements in period 3 are __________, __________, __________, __________, __________,
__________, __________, and __________.
The oxides change from ___________ to _______________ to ____________ across the period.
Atomic radius _____________ across the period because the proton numbers ___________
from one element to the next across the period.
Thus the electrostatic force of attraction between the nucleus and electrons become
___________. This cause the atomic radius to ____________ across the period.
The electronegativity of elements ______________.
The nature of metals change from _______________ to _________________ and finally to
_______________ across the period.
-
7/28/2019 Chemistry F4 Periodic Table Exersice 1
4/4
Tutor: Siti Aizatie RamliChemistry Form 4
4
The melting point and boiling point _________________ from the left of the period to the
middle of the period and then _______________ again.
Characteristics of transition elements.
1. Have more than one ______________________.
2. Form ____________ compounds, e.g _______________ in green colour.
3. Transition elements or its compound have ______________ properties, e.g. iron
powder catalyse the reaction between N2 and H2 gases to form NH3.
4. Form ___________ ions, e.g. CU2+ react with ammonia to form dark blue
tetraamminecopper(II) complex ion.