2 years ago

Please help! you’ll be marked brainliest

Chemistry

1 answer:

Trava [24]2 years ago

4 0

Answer:

Number of Protons:

Co: 27

Cl: 17

K: 19

S: 16

Al: 13

P: 15

Number of Electrons:

Co: 25

Cl: 18

K: 18

S: 18

Al: 10

P: 18

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