Unit 3 Test Review - PT & Bonding 2024

Front

Which element has 2 energy levels & 4 valence electrons?

Back

Carbon (C)

Front

How are covalent bonds formed?

Back

Covalent bonds are formed by the sharing of electrons.

Front

If I gain electrons, I become:

Back

Negative because I've added electrons.

Front

What is a Lewis Dot Diagram?

Back

A diagram that shows the bonding between atoms of a molecule and the lone pairs of electrons that may exist in the molecule.

Tags

NGSS.MS-PS1-1

Front

A bond that forms when electrons are transferred is called a/an:

Back

Ionic bond.

Tags

NGSS.HS-PS1-1

Front

What are valence electrons?

Back

Electrons in the outermost shell of an atom that are involved in forming bonds.

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.

Tags

NGSS.HS-PS1-3

Front

What is an example of a molecule formed by covalent bonding?

Back

Water (H2O) is formed by covalent bonds between hydrogen and oxygen.

Tags

NGSS.MS-PS1-1

Front

What is the octet rule?

Back

Atoms tend to bond in such a way that they have eight electrons in their valence shell.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Front

What is an ion?

Back

An atom or molecule that has a net electric charge due to the loss or gain of one or more electrons.

Tags

NGSS.HS-PS1-2