Question

6.
02: Fill in the blanks.
1. In periodic table all the periods end with
group all
elements.
2. Na is the symbol of
3. II-A group is called
metal.
4. Elements in periods do not have
5. Previously the classification of element based on
6.
suggested Dobenier's Trend in 1890.
7. All the periods start with
except 1st period.
8. The elements within a period have
from left to
right across any period.
9. Groups is also called
10. 1st A group is called
family.​

Answer 1

Answer:

1) 18 group

2) sodium

3)alkali earth metal

4)

5)atomic mass

6)

7)alkali metal

8)decrease in size

9)vertical columns

10) s block

sorry for any wrong answer

Answer 2

Explanation:

2) Sodium, atomic number is 11

9)A group also known as a family is a column of element in the periodic table.

10) group 1 is also known as the alkali metals or the lithium group.