Potassium (K) and copper (Cu) are both in period 4. They both have .
four electron shells
sim...
Chemistry, 04.10.2020 09:01 janeou17xn
Potassium (K) and copper (Cu) are both in period 4. They both have .
four electron shells
similar properties
the same number of electrons
the same number of protons
Answers: 2
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