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State whether the following are ionic or...

State whether the following are ionic or covalent
(a) `CaH_(2)` (b) `MgO` (c ) `Na_(2)CO_(3)` (d) `NH_(4)CI`
(e) `HCl` (f) `CaCl_(2)` (g) `Na_(2)S`(h) `SnCl_(2)`
(i) Diamond (j) `CaC_(2)` (k) `NaH` (i) `C_(2)H_(2)` .

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To determine whether the given compounds are ionic or covalent, we can analyze each compound based on the nature of the elements involved and their electronegativity differences. Here's the step-by-step solution: ### Step-by-Step Solution: 1. **Identify the nature of the elements in each compound:** - Ionic compounds typically consist of metals and nonmetals, while covalent compounds consist of nonmetals. 2. **Analyze each compound:** ...
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