Chemistry, 08.02.2021 19:10, 223103

A sample of the element Phosphorus is shown to have a mass of 33 and a charge of -3. How many protons would be present in the sample?
Phosphorus
15
P
30.974
I don’t understand

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A sample of the element Phosphorus is shown to have a mass of 33 and a charge of -3. How many proton...