Question

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Which pair of atoms will form an ionic compound? A. One atom of calcium and two atoms of chlorine B. Two atoms of nitrogen and four atoms of oxygen C. One atom of nitrogen and three atoms of fluorine D. One atom of oxygen and two atoms of fluorine

Answer 1

hey mate

here is your answer

an ionic compound is a compound formed by the transfer of the electron(s).

one atom of calcium and two atoms of chlorine will form an ionic compound.

CaCl2 will be formed by the loss of 2 electrons by calcium and gain of 1 electron by each of the two atoms of chlorine .

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Answer 2

$\textbf{\huge{\underline{ Hello Mate! }}}$

Ionic compounds - When while reacting the two elements loses or gain electrons then the compound so formed is called ionic compound.

In general ( not always ) the elements of p block and s block when react then for ionic compound

Ca ( calcium ) has valency of 2+

2 atoms oc chlorine i.e., Cl2 has - 2 valency.

On reacting we get,

Ca + Cl2 -> CaCl2 ( will form ionic compound )

$\textsf{\red{ Hence, option (a) is right answer}}$

$\textbf{ Have great future ahead! }$