Energy Levels, Electrons, and Covalent Bonding

The nucleus of an atom does not change when the atom undergoes a chemical reaction.

• True

• False

Tags

NGSS.MS-PS1-5

An atom does not react with other atoms if it has the same number of protons as it has electrons.

• True

• False

Tags

NGSS.HS-PS1-1

All of an atom's electrons can interact with the electrons of other atoms to form bonds.

• True

• False

The ____________________ represents the location of the electrons.

• Nucleus

• Valence Electrons

• Chemical Bond

• Electron Cloud

The _________________ is the location of protons and neutrons in the atom.

• Nucleus

• Valence Electrons

• Chemical Bonds

• Electron Cloud

What is an interaction that holds atoms or ions together?

• Molecule

• Nucleus

• Chemical Bond

• Electron Cloud

What is a group of atoms held together by chemical bonds?

• Molecule

• Nucleus

• Electron Cloud

• Chemical Bond

Tags

NGSS.MS-PS1-1

Chemical changes create and destroy atoms.

• True

• False

Tags

NGSS.MS-PS1-5

Atoms can be rearranged to form new substances.

• True

• False

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is the maximum number of electrons the first energy level can hold?

• 8

• 2