Intro to Chemistry

A substance made of only one type of atom that cannot be broken down by chemical means

• compound

• element

• electron

• molecule

The smallest basic unit of matter is a(n)

• element

• atom

• molecule

• speck

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

• proton

• neutron

• electron

• valence

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

• electron

• neutron

• shell

• proton

A subatomic particle that has a negative charge and is found in the electron cloud orbiting the nucleus

• proton

• neutron

• electron

• atom

Tags

NGSS.MS-PS2-3

An atom that has gained or lost one or more electrons

• ion

• electron

• neutron

• bond

Substance made of atoms of different elements that are bonded together in a particular ratio

• molecule

• compound

• charge

• electron shell

Tags

NGSS.MS-PS1-1

Two or more atoms held together by covalent bonds; not necessarily a compound

• proton

• quark

• molecule

• nucleus

Tags

NGSS.MS-PS1-1

Chemical bond formed when two atoms share one or more pares of electrons

• ionic bond

• Bail bond

• covalent bond

• electron bond

Tags

NGSS.HS-PS1-1

Attraction between a slightly positive hydrogen atom and a slightly negative atom

• oxygen bond

• hydrogen bond

• carbon bond

• calcium bond

Tags

NGSS.MS-PS2-5