Question

what are non metal in atomic no 11,13,19,20,17​

Answer 1

Answer:

chlorine

Explanation:

• atomic number 17
• which chlorine
• It is a non metal

17

Atomic mass: 35.453 u

Symbol: Cl

Electron configuration: [Ne] 3s²3p⁵

Atomic Mass 35.453 atomic mass units

Number of Protons 17

Number of Neutrons 18

Number of Electrons 17

I hope this helps you

Answer 2

17 is a non metal as its electronic configuration is 2,8,7 and those who have 5,6,7eletrons in their valence shell are non metals