Covalent bonds

Front

What are valence electrons?

Back

Electrons located in the outermost shell (valence shell) of an atom that can be transferred to or shared with another atom.

Front

What is the chemical formula for silicon dioxide?

Back

SiO₂

Front

Which of the following is not a real bond in chemistry: James, Ionic, Covalent?

Back

James is not a real bond in chemistry.

Front

How many electrons do the nitrogen atoms share in a nitrogen molecule (N₂) with a triple bond?

Back

6 electrons.

Front

How many valence electrons are shared in a double bond?

Back

4 valence electrons.

Front

What type of bond involves the sharing of electron pairs between atoms?

Back

Covalent bond.

Front

What is the difference between ionic and covalent bonds?

Back

Ionic bonds involve the transfer of electrons, while covalent bonds involve the sharing of electrons.

Front

What is a molecule?

Back

A group of two or more atoms bonded together.

Front

What is a polar covalent bond?

Back

A type of covalent bond where electrons are shared unequally between atoms, resulting in a molecule with a slight charge.

Front

What is a nonpolar covalent bond?

Back

A type of covalent bond where electrons are shared equally between atoms.