Lewis Dot Structures for Compounds

Front

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

Back

The Lewis Dot Structure for ammonia (NH3) shows nitrogen (N) in the center with three hydrogen (H) atoms bonded to it. Nitrogen has one lone pair of electrons.

Tags

NGSS.MS-PS1-1

Front

What do covalent compounds do with electrons?

Back

Covalent compounds share electrons between atoms.

Front

What is the tendency of metals in terms of electrons?

Back

Metals tend to lose electrons.

Tags

NGSS.HS-PS1-2

Front

What is the correct molecular structure for carbon dioxide (CO2)?

Back

The Lewis Dot Structure for carbon dioxide (CO2) shows carbon (C) in the center with two oxygen (O) atoms double bonded to it.

Front

According to the octet rule, how many valence electrons do most elements need?

Back

Most elements need 8 valence electrons according to the octet rule.

Tags

NGSS.HS-PS1-1

Front

What is a Lewis Dot Structure?

Back

A Lewis Dot Structure is a diagram that represents the valence electrons of atoms within a molecule.

Front

What is the significance of the octet rule in chemistry?

Back

The octet rule states that atoms tend to bond in such a way that they have eight electrons in their valence shell, achieving a stable electron configuration.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Front

How do you determine the number of valence electrons in an element?

Back

The number of valence electrons can be determined by the group number of the element in the periodic table.

Tags

NGSS.HS-PS1-1

Front

What is the difference between ionic and covalent bonds?

Back

Ionic bonds involve the transfer of electrons from one atom to another, while covalent bonds involve the sharing of electrons between atoms.

Tags

NGSS.HS-PS1-1

Front

What is a lone pair of electrons?

Back

A lone pair of electrons is a pair of valence electrons that are not shared with another atom.