Question

Why do all noble gases have equal number of electron proton and neutron?​

Answer 1

Answer:

because belong in same group .........

Answer 2

Answer:

thanks kr do

Explanation:

Name: Helium

Symbol: He

Atomic Number: 2

Atomic Mass: 4.0

Number of Protons/Electrons: 2

Number of Neutrons: 2

Classification: Noble Gases

Discovery: 1895

Discoverer: Sir William Ramsay

Uses: balloons, deep sea diving

Picture

Name: Neon

Symbol: Ne

Atomic Number: 10

Atomic Mass: 20.1

Number of Protons/Electrons: 10

Number of Neutrons: 10

Classification: Noble Gases

Discovery: 1898

Discoverer: Sir William Ramsay

Uses: lighting

Picture

Name: Argon

Symbol: Ar

Atomic Number: 18

Atomic Mass: 39.9

Number of Protons/Electrons: 18

Number of Neutrons: 22

Classification: Noble Gases

Discovery: 1894

Discoverer: Sir William Ramsay

Uses: Lighting

Picture

Name: Krypton

Symbol: Kr

Atomic Number: 36

Atomic Mass: 83.8

Number of Protons/Electrons: 36

Number of Neutrons: 48

Classification: Noble Gases

Discovery: 1898

Discoverer: Sir William Ramsay

Uses: Lighting

Picture

Name: Xenon

Symbol: Xe

Atomic Number: 54

Atomic Mass: 131.2

Number of Protons/Electrons: 54

Number of Neutrons: 77

Classification: Noble Gases

Discovery: 1898

Discoverer: Sir William Ramsay

Uses: powerful lamps, bubble chambers

Picture

Name: Radon

Symbol: Rn

Atomic Number: 86

Atomic Mass: 222

Number of Protons/Electrons: 86

Number of Neutrons: 136

Classification: Noble Gases

Discovery: 1898

Discoverer: Fredrich Ernst Dorn