Potassium (k) and copper (cu) are both in period 4. they both have
similar properties
...
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Chemistry, 06.10.2019 23:10 Seaqueen3103
Potassium (k) and copper (cu) are both in period 4. they both have
similar properties
the same number of protons
four electron shells
the same number of electrons
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Answers: 1
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