Question

Chlorine has __________ electron in outer orbit. It needs ________ electron to become stable.

• A. seven, one
• B. seven, two
• C. six, two
• D. five, three

Answer 1

The correct option is A seven, one

Chlorine has seven electrons in outer orbit. It needs one electron to become stable. The octet rule states that element gain or loses electrons to attain an electron configuration of the nearest noble gas.