Question

An element has electronic configuration 2,8,7
a)what is its atomic number?
b) Name another element to which it has similar properties.
c)Is it smaller or bigger than another element with atomic number 16​

Answer 1

Explanation:

a) atomic no is 17

b) Oxygen

c) smaller than 16

Answer 2

Hi mate

Here is your answer

a)what is its atomic number? 17

b) Name another element to which it has similar properties Oxygen

c) Is it smaller or bigger than another element with atomic number 16 Smaller than 16

Thanks for asking...