What is the chemical equation for calcium + phosphorus ---> calcium phosphide?

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What is the chemical equation for calcium + phosphorus ---> calcium phosphide?

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Answer 1 · 2014-05-13T01:56:37

Calcium + Phosphorous to produce Calcium Phosphide is an ionic synthesis reaction.

Calcium has a charge of $C a^{+ 2}$ $Ca^(+2)$ .Phosphorous has a charge of $P^{- 3}$ $P^-3$ . To bond these two ions together, their charges must be equal and opposite. Therefore we need 3 $C a^{+ 2}$ $Ca^(+2)$ ions to balance with 2 $P^{- 3}$ $P^-3$ in order to balance their charges at 6 for the molecule $C a_{3} P_{2}$ $Ca_3P_2$ .

$3 C a + 2 P \to C a_{3} P_{2}$ $3Ca + 2P -> Ca_3P_2$

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What is the chemical equation for calcium + phosphorus ---> calcium phosphide?

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