Question

1. If the atomic number of element
X' is 7. The best electron dot
symbol for the element is
​

Answer 1

Answer:

3)

Explanation:

As atomic no. is 7 electron configuration is

2,5

So it should have 5 valence electrons

Answer 2

Answer:

option third

nitrogen have 5 electrons in outer most shell ( 2 electrons in 2S orbital and 3 electrons in 2P orbital).