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  • 02-12-2021
  • Chemistry
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please help! you’ll be marked brainliest

please help youll be marked brainliest class=

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ruby20051 ruby20051
  • 02-12-2021

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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