jasierb04 jasierb04

03-09-2021
Physics

contestada

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

Respuesta :

Trancescient Trancescient

03-09-2021

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

Answer Link

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