Front

What is a Lewis Dot Structure?

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.HS-PS1-1

Front

What type of bond is formed between two nonmetals?

Back

Covalent bond.

Front

What type of bond is formed between a metal and a nonmetal?

Back

Ionic bond.

Front

What do atoms that form positive ions tend to do?

Back

Lose electrons.

Front

What is the correct formula for silicon tetrafluoride?

Back

SiF₄.

Tags

NGSS.MS-PS1-1

Front

What is a valence electron?

Back

An electron found in the outermost shell of an atom.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Front

How many valence electrons does nitrogen have?

Back

5 valence electrons.

Tags

NGSS.HS-PS1-1

Front

What is the Lewis Dot Structure for ammonia (NH₃)?

Back

The Lewis Dot Structure shows nitrogen in the center with three hydrogen atoms bonded to it and one lone pair of electrons on nitrogen.

Tags

NGSS.MS-PS1-1

Front

What is the significance of valence electrons in bonding?

Back

Valence electrons determine how an atom can bond with other atoms.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

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