ebecuase that is the only one that would make sense
Answer:
C.
Explanation:
You have to just know this. Their is really no other explanation.
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K. Pottasium is in period 4 and group 1. It would be classified as an Alkali metal, and its a metal!
A.
Answer:
When a magnesium atom reacts with an oxygen atom, magnesium gives up its two valence electrons and becomes a positively charged ion, i.e. a cation, Mg2+ … The cation and the anion will then be attracted to each other by way of the electrostatic force of attraction → an ionic bond is formed.
Explanation:
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