IMAS INTERNATIONAL SCHOOL KUALA LUMPUR
Grade 9 Science
Full Name
Class
G9A1
07-11-2025
Topic
2.2 Trends in groups within the Periodic
Table.
Submission Date
Assignment
Worksheet 6
Mark
/ 20
Question 1: Complete the statements about the Group 1 metals using the words shown here. You
may use each word once, more than once or not at all.
calcium
down
easily
hard
hydrogen
oxygen
chlorine
less
more
lithium
magnesium
potassium
oil
reactive
sodium
soft
unreactive
up
1. Three elements in Group 1 are _______________, _______________ and _______________.
2. The elements in Group 1 are very _______________. They can _______________ be cut with a
knife.
3. The elements in Group 1 are stored under _______________ because they are very
_______________.
4. When these elements react with water, they form the gas _______________.
5. The elements are _______________ reactive with water as you go _______________ the group.
1
Question 2: Complete the statements about the elements in Groups 7 and 8 using the words
shown here. You may use each word once, more than once or not at all.
chlorine
down
eight
flourine
gases
less
liquids
more
one
reactive
seven
unreactive
up
argon
helium
larger
less
smaller
1. The two elements in Group 7 are _______________ and _______________.
2. The first two elements in Group 7 are _______________ at room temperature.
3. The three elements in Group 8 are _______________, _______________ and
_______________.
4. All the elements in this group are _______________ at room temperature.
5. The elements in Group 8 are _______________ and do not form compounds with other
elements.
6. The elements in Group 7 are _______________ reactive as you go _______________ the group.
7. The elements in Group 7 have _______________ electrons in their highest energy level shell.
8. The size of the atoms in Group 8 gets _______________ as you go down the group.
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