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MAXImum [283]
3 years ago
8

Can someone fill this? i dont understand how to do the last two

Chemistry
1 answer:
skad [1K]3 years ago
4 0

Answer:

Na. O

no of protons:11. 8

no of electrons:11. 8

no of neutrons:12. 8

Explanation:

the top number of the left is the mass number and the bottom is the atomic number the no of neutrons are atomic number subtracted by mass number the number on the top right is the charge don't let it confuse you and the number of electrons is the same as the number of protons

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