Potassium (k) and copper (cu) are both in period 4. they both have
similar properties
...
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
Answers: 1
Chemistry, 07.07.2019 14:50, hannacarroll3670
Answers: 2
Chemistry, 03.08.2019 08:00, lallenma
Answers: 2
Mathematics, 14.07.2020 01:01
History, 14.07.2020 01:01
Mathematics, 14.07.2020 01:01
Chemistry, 14.07.2020 01:01
Mathematics, 14.07.2020 01:01