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An atom consist of 12 neutrons,10 electrons ,and 11 protons. What is the atomic mass?
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An atom consist of 12 neutrons,10 electrons ,and 11 protons. What is the atomic mass?

User Billb
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The atomic mass is 23

atomic mass = neutrons + protons
User NichtJens
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Step-by-step explanation:

Atomic mass = Number of neutrons + protons

= 12 + 11 = 23.

(Electrons are so light that they are considered to have negligible mass)

User Tim Frey
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