Question

Electronic configuration of metal A is 2,8,1 and electronic configuration of metal B is 2,8,2. Then answer the following questions.

a) What is the name of metal A and metal B?.

b) Name the period to which these metals belong.

c) which is more reactive metal between metal A and B ​

Answer 1

Answer:

a) metal A is sodium B is magnesium

b) period no 3

c) A sodium is more reactive

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