Equation balancing — task. Assessments, Science TN.

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$Ca$ +

$N_2$ →

$Ca_3N_2$

THe balanced chemical equation of the given above is _________

$3Ca$ + $N_2$ → $Ca_3N_2$
$3Ca$ + $N_2$ → $Ca_2N_2$
$2Ca$ + $N_2$ → $Ca_3N_2$
$3Ca$ + $N_3$ → $Ca_3N_2$

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