from shown Symbol for Na
Find the number of electron proton,
neutron, Atomic mass
Atomic number?
Answers
Answered by
1
Answer:
electron = proton = 11
neutron = 12
atomic mass = 23 u
atomic number = 11
Explanation:
Answered by
0
Answer:
Atomic mass =protons plus neutrons
Neutrons= atomic mass minus protons
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