Question

The mass of Neon atom is 20 u.Express it in kg.

Answer 1

the mass of neon atom in kg will be 2000kg

Answer 2

Answer:

Neon has an atomic mass of about 20. This isotope contains 10 protons and 10 neutrons.

Explanation:

Actually Neon would be lested as having an atomic mass of about 20.18 because of a mixute of isotopes.

Z= Aomic number the number of protons in the nucleus which defines the element. In this case Z=10 and this means neon but there is also 10 neurons in the nucleus of the major isotope whcich gives it ^20Ne. The other minor isotope is ^22Ne which has 12 neutrons and 10 protons in its nuclear.

hope it helps!!