question no.3, 8 please
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Answer:
here is your ans mate
A 3 ---. Elements present are calcium and oxygen.
A 8---. Sodium chloride (NaCl) is a typical ionic compound. ... Sodium has 1 electron in its outermost shell, and chlorine has 7 electrons. It is easiest for sodium to lose its electron and form a +1 ion, and for chlorine to gain an electron, forming a -1 ion.
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Explanation:
Elements present are calcium and oxygen. it is of q ni 3
Sodium chloride (NaCl) is a typical ionic compound. ... Sodium has 1 electron in its outermost shell, and chlorine has 7 electrons. It is easiest for sodium to lose its electron and form a +1 ion, and for chlorine to gain an electron, forming a -1 ion.