jasierb04
Answered

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How many neutrons are there in the neutral
atom of 20
10Ne?
1. 22
2. 20
3. 12
4. 9
5. 10

Sagot :

Trancescient

Explanation:

Neon has an atomic number of 10 and based on its notation, its mass number is 20. Since mass is the sum of the atomic number and the number of neutrons in the nucleus, then

# of neutrons = Mass number - Z = 20 - 10 = 10

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