Question

Burn compound in an oxygen, Gas evolved turns lime water
milky
- By sharing its four valence electrons with other elementy​

Answer 1

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- Burn compound in air/ oxygen; Gas (CO2) evolved turns lime water milky. Carbon has four electrons in its valence shell orbital. So, it can neither accept nor gain four electrons. So, carbon forms a covalent bond to complete its octet.By sharing its four valence electrons with other elements.