The Atomic number of Neon is 10 and the Atomic weight is about 20.18g rounded off to 2 decimal places.
If you don't have a Periodic Table you should get one most periodic tables have the atomic weight of all elements you need to know to around 2 decimals. I printed mine off Google images =)
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The atomic number of neon is 10, which means it has 10 protons in its nucleus. The Atomic Mass of neon is approximately 20.1797, which is the weighted average of all the isotopes of neon found in nature.
The atomic number of neon is 10, which means it has 10 protons in its nucleus. The atomic mass of neon is approximately 20.18 atomic mass units, which includes the total number of protons, neutrons, and electrons in an atom of neon.
The atomic mass of neon (Ne) is approximately 20.18 atomic mass units (u).
The atomic mass unit (amu) of neon is 20.1797 amu.
1,000,000,000,000,000,000,000,000,000
Neon is a light element with an atomic mass of about 20.1797 atomic mass units. It is a colorless and odorless gas that is less dense than air.