Covalent Bonding

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What is the maximum number of bonding pairs in a bond can an atom of a nonmetal form?

3

What is the difference between a lone pair and a bonding pair?

A lone pair is any electron pair that is not participating in bond formation, while a bonding pair participates in bond formation.

What is the effect of ionization energy in the bond formation of atoms?

Atoms with high ionization will form covalent bond

Which chemical formula of adibirono monosilicide is written correctly?

B_2Si

Which chemical formula of Carbon Monoxide is written correctly?

CO

Chemical name of N_2O_3

Dinitrogen trioxide

Upon using analytical techniques in determining the elemental composition of an unknown, it was discovered that the said compound contains 6 parts of hydrogen, and 3 parts sulfur. How would you write its tentative chemical formula?

H_6S_3

Chemical name of CH_4

Methane

Chemical formula of Nitrogen trichlorode

NCI_3

Which chemical formula of Dinitrogen pentoxide is written correctly?

N_2O_5

Chemical name of NF_3

Nitrogen trifluoride

Chemical formula of diphosphorous pentoxide

P2O5

Which formula of Phosphorus triiodide is written correctly?

PI_3

Chemical name of SCI_2

Sulfur dichloride

In naming covalent compound, the first name belongs to which element?

The element that has a lower group number

When a halogen and oxygen forms covalent compound, how is it named?

The name of the halogen is the first name, and oxygen is given the suffix -ide

Which of the following covalent compounds is used as an ingredient for soft drinks? - carbon dioxide - methane - nitride - ammonia

carbon dioxide

Which among the following covalent compounds exhibits extreme hardness? - diamond - polyethylene teraphtlate - graphite - polyvinyl chloride

diamond

Covalent compounds have ___ than ionic compounds

lower melting point

The number of atoms of a given element in a compound is written as what in a chemical formula?

numerical subscript

It states that atoms engage in bonding to achieve a noble gas electron configuration

octet rule

What is the appropriate name of a compound consisting of two atoms of oxygen and one atom of sulfur

sulfur dioxide

Chemical name of H_2O

water


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