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22-11-2022
Chemistry

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The table below gives the numbers of protons, electrons, and neutrons in four atoms.
Atom
1
2
3
4
Number of protons
9
99
19
Based on the table, which atom has a charge of -1?
01
02
3
▸
Number of neutrons
8
19
19
10
Number of electrons
9
8
10
19

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