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likoan [24]
3 years ago
15

Pls help fast!!! Test due soon!

Chemistry
2 answers:
vova2212 [387]3 years ago
8 0

Answer:

14

Explanation:

the number of protons (17) -the atomic mass (27) = 14 which is the number of electrons

Firlakuza [10]3 years ago
4 0

Answer:

13

Explanation:

your wellcome

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