Question

Bohr model of alluminium and argon are given. Analyse and answer the following.
a) The symbol of alluminium atom.
b) The number of neutrons present in argon atom.
c) The mass number of alluminium.
d) The electronic configuration of argon.
this is the full questions
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Answer 1

c). the mass number of alluminium

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Answer 2

Answer:

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