treygriff317 treygriff317

21-09-2021
Chemistry

contestada

Just need the bottom two rows completed. Will give brainliest.

Just need the bottom two rows completed Will give brainliest class=

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jessiraubenolt jessiraubenolt

21-09-2021

Explanation:

19/9 F -1 (19 is stacked over 9 next to F) #protons: 9, #neutrons: 10, #electrons: 10

55/26 Fe +3, atomic #: 26, mass #: 55, #protons: 26, #neutrons: 29, #electrons: 23

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