Question

3. An element has its electron
configuration as 2,8,2. Now answer
the following questions.
a. What is the atomic number of this
element?
b. What is the group of this element?
c. To which period does this element
belong?​

Answer 1

Answer:

a) 12

b) 1st group means alkaline earth metals

c) 3 rd period

I hope this answer is helpful for you........................................