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Sunny_sXe [5.5K]
3 years ago
12

Help with atomic mass

Physics
2 answers:
gizmo_the_mogwai [7]3 years ago
8 0
I did the boron

Phosphorus-
Atomic number: 15
Atomic mass: 30.974
Number of protons: 15
Number of electrons: 15
Number of neutrons: 15



Potassium-
Atomic number: 19
Atomic mass: 39.098
Number of protons: 19
Number of electrons: 19
Number of neutrons: 20


Carbon-
Atomic number: 6
Atomic mass: 12.011
Number of protons: 6
Number of electrons: 6
Number of neutrons: 6


Hope this helps

-Zayn Malik
Dafna1 [17]3 years ago
3 0

Explanation:

what?? do you please say clearly

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