Question

Element A, B, C, D have atomic number 17 ,8, 10, 11 respectively

Answer 1

Answer:

clorine, oxygen,neon, sodium

Explanation:

atomic number 17-clorine

8-oxygen

10-neon

11-sodium

Answer 2

Answer:

A- Chlorine                

B- Oxygen

C- Neon

D- Sodium

Explanation:

Chlorine has 17 protons and electrons

Oxygen has 8 protons and electrons

Neon has 10 protons and electrons and is a Noble gas

Sodium has 11 protons and electrons