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Strontium, as a metal, lose electrons forming divalent cations.
The calcium atom (Ca) loses two valence electrons to form a calcium ion (Ca2+).
Calcium will lose two electrons to gain the noble gas configuration of Argon.
Selenium may lose 2, 4 or 6 electrons and may gain 2 electrons.
It will lose 2 to form Sr2+
it loses two electrons when forming a compuond.
It looses two.
lose three electrons
Like all metals calcium will lose electrons.
Calcium is most likely to lose two electrons to form its dipositive ion.
Some atoms lose electrons, some gain electrons, and some share electrons depending on what elements are involved and what compound is forming.
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.
Strontium, as a metal, lose electrons forming divalent cations.
In phosphene it gain 4 electrons. Phosphate lose 4 electrons
Usually calcium loses 2 electrons, that's why calcium is found in Group 2 of the periodic table.
The calcium atom (Ca) loses two valence electrons to form a calcium ion (Ca2+).