Question

Hydrogen berelliyum sodium magnisium
a. Write the pair having similar chemical properties
b. State tue group number of each pair
c. Name one other element belogingtoeach of these groups

Answer 1

1. (H,Na) , (Be,Mg)
2. (H,Na) - 1
(Be,Mg) - 2
3. potassium in first group and calcium in the second one.


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Answer 2

Answer:

A) Be(4)and Mg(12)have similar chemical properties.

H(1)and Na(11)have similar chemical properties.

B) be and na belong to group 2,h and na belong to group 1.

C) k belongs to group 1 and ca belongs to group 2.