Which elements can form an ion of charge +2
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1
Answer:
magnesium ion has charge of +2
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0
Answer:
Beryllium. Calcium, Strontium, Barium, Radium, Magnesium
Explanation:
All of these elements are belonging to group 2 (also known as Alkaline Earth metals). Since they have similar electronic configuration (2 valence electrons), and has a valency of 2, it give 2 electrons to other elements and form a positive ion of charge +2.
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