Number of covalent bonds in $H_2O$ —

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• C-05-Q153In , how many lone (non-bonding) electron pairs remain on the O atom?
• C-05-Q154Sulfur exists as a covalent molecule in the form —
• C-05-Q155Phosphorus exists as a covalent molecule in the form —
• C-05-Q156Which of the following is NOT a covalent compound listed in the chapter?
• C-05-Q157Which compound has covalent bonds only?
• C-05-Q158Weak attraction forces between covalent molecules are —
• C-05-Q159Why are most covalent compounds easily separable from each other?
• C-05-Q160Which covalent compound is liquid at NTP?
• C-05-Q161Which covalent molecule is solid at NTP?