Why does sodium metal have different properties than does sodium chloride?

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Why does sodium metal have different properties than does sodium chloride?

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Answer 1 · 2016-10-16T07:18:09

Because sodium chloride is not sodium metal.

Explanation:

You have two different materials: an alkali metal; and an alkali metal salt.

Their reaction with water is expected to be different, and indeed is different:

$N a (s) + H_{2} O (l) \to N a^{+} (a q) +^{-} O H (a q) + \frac{1}{2} H_{2} (g) ↑ ⏐ ⏐ ⏐$ $Na(s) + H_2O(l) rarr Na^(+)(aq) + ""^(-)OH(aq) + 1/2H_2(g)uarr$

$N a C l (s) \to N a^{+} (a q) + C l^{-} (a q)$ $NaCl(s) rarr Na^(+)(aq) + Cl^(-)(aq)$

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Why does sodium metal have different properties than does sodium chloride?

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