Identify the bonding in each of the following substances as ionic or covalent. (a) NaCl (select)ioniccovalent...

Identify the bonding in each of the following substances as ionic or covalent.

(a) NaCl (select)ioniccovalent

(b) H₂ (select)covalentionic

(d) SiO₂ (select)ioniccovalent

Solutions

Expert Solution

1) NaCl sodium chloride is IONIC compound with ionic bonding.

NaCl consists of Na⁺ and Cl^- ions. These ions are formed due to complete transfer of 1 valence electron form the valence shell of Na (11) to the valence shell of Cl (17).

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2) H₂ is COVALENT compound with covalent bonding.

H-H bond forms by mutual sharing of 2 (1 valence electron from each) electrons between 2 H atoms. Mutual sharing of electron leads to the formation of covalent bond.

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3) CH₄ Methane is a COVALENT compound with covalent bonding.

Each of 4 C-H bonds formed by mutual sharing of 2 elctrons (1 from C and 1 from H). 4H gives 4e and completes the octet of C (8) and own duplet state.

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4) SiO₂ Silicon dioxide is COVALENT compound with covalent bonding.

O=Si=O formed by mutual sharing of 8 electrons (4 from Si and 2 from each O).

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queen_honey_blossom answered 1 year ago

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