Unit 5: Bonding and Nomenclature 2022

Front

What type of bond is formed between sodium (Na) and fluorine (F)?

Back

Ionic bond.

Front

How many lone pairs are present in a molecule with 2 lone pairs?

Back

2 lone pairs.

Front

What is the name of the polyatomic ion NH₄⁺?

Back

Ammonium.

Front

Which of the following is NOT a step in forming an ionic bond? One atom shares its electrons with another one, Opposite charged ions form due to the transfer of electrons, One atom gives electrons to another one.

Back

One atom shares its electrons with another one.

Front

What term describes how strongly an atom attracts electrons?

Back

Electronegativity.

Front

What is the definition of an ionic bond?

Back

A bond formed through the transfer of electrons from one atom to another, resulting in the attraction between oppositely charged ions.

Front

What is a covalent bond?

Back

A bond formed when two atoms share one or more pairs of electrons.

Front

Define electronegativity.

Back

The tendency of an atom to attract electrons in a chemical bond.

Front

What is the significance of lone pairs in molecular geometry?

Back

Lone pairs can affect the shape of a molecule by repelling bonding pairs of electrons.

Front

What is a polyatomic ion?

Back

An ion composed of two or more atoms bonded together, that carries a charge.