Calcium loses two electrons to form the cation Ca2+.
None.Calcium loses 2 electrons to form an ion.
two are lost
calcium loses two electrons, becoming a +2 ion
Calcium atom will generally lose two electrons to form Ca2+ ions. Calcium will not accept (gain) electrons.
Calcium will lose two electrons to gain the noble gas configuration of Argon.
Calcium loses two electrons; the cation is Ca2+.
Calcium can loose 2 electrons. Oxygen can gain 2 electrons.
Like all metals calcium will lose electrons.
Calcium is most likely to lose two electrons to form its dipositive ion.
There are 20 electrons in a calcium atom.
It loses 2 electrons to obtain the argon configuration of 8 valence electrons.
Calcium usually loses 2 electrons, giving a cation of Ca2+