Chemistry, 31.03.2021 17:10, msjuly723

Magnesium and calcium have similar chemical properties because their atoms in the ground state have
1.
equal numbers of protons and electrons
2
equal numbers of protons and neutrons
3
two electrons in the first shell
4
two electrons in the outermost shell
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Magnesium and calcium have similar chemical properties because their atoms in the ground state have...