Atoms, Elements, and compounds

The simplest unit of matter

• The electron

• The nucleus

• The cell

• The atom

The center of the atom, containing protons and neutrons

• Electrons

• Valence Shell

• Nucleus

• Neutron

Tags

NGSS.HS-PS1-8

A subatomic particle that has a positive charge and is found in the nucleus of an atom.

• Neutron

• Electron

• Valence Electron

• Proton

Tags

NGSS.HS-PS1-7

NGSS.HS-PS1-8

A subatomic particle that has no charge and is found in the nucleus of an atom.

• Neutron

• Proton

• Electron

• Valence Electron

Tags

NGSS.HS-PS1-8

A subatomic particle that has a negative charge

• Nucleus

• Neutron

• Electron

• Proton

A molecule composed of only one kind of atom.

• An element

• The valence shell

• Covalent Bond

• The nucleus of an atom

Tags

NGSS.MS-PS1-1

A bond that involves sharing a pair of electrons between atoms in a molecule.

• A Covalent Bond

• An ionic Bond

A chemical bond resulting from the attraction between oppositely charged ions.

• A covalent bond

• An ionic bond

Tags

NGSS.HS-PS1-3

Atoms are most stable when their outer shell is complete.

• true
• false

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Covalent bonds actually "share" electrons?

• true
• false