Chemistry
Grade-9
Easy
Question
What happens to the number of shells as you move down a group?
- They decrease by 1
- They increase by 1
- They increase by 2
- Nothing
Hint:
Down the group shell increases by 1.
The correct answer is: They increase by 1
- The horizontal rows in a periodic table is called periods.
- The vertical columns in a periodic table is called groups.
- As we move from left to right atomic number increases by 1.
- As we move down the group number of shell increases by 1.
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