Question

2) An element has its electronic configuration as 2,8,8. Now answer the following questions.
What is the atomic number of this element ?
i. What is the group of this element ?
1. To which period does this element belong?
following elements would this element resemble N(7), Be(4), Ne(10), Cl(17)​

Answer 1

Explanation:

18 group

I. 3rd period

1. Ne (10) r resemble

Answer 2

Answer:

atomic number of argon is 18

it is found in group 18

Argon belongs to period number 3

it resembles neon (Ne 10) it's atomic number is 10 and it's also a noble gas like argon