Chemistry in Biology

Front

Building blocks of matter: __________

Back

Atoms

Tags

NGSS.MS-PS1-1

Front

Positively charged particles:

Back

Protons

Front

Negatively charged particles?

Back

Electrons

Tags

NGSS.MS-PS2-3

Front

Neutrally charged particles:

Back

Neutrons

Front

Atoms have equal protons and electrons, resulting in a neutral charge.

Back

True

Front

A pure substance that cannot be broken down by physical or chemical means is an ________.

Back

element

Front

Atoms of the same element with different neutrons are called __________.

Back

isotopes

Front

Changing the number of neutrons in an atom does not change its overall charge.

Back

does not change

Front

A _________ is a pure substance formed from two or more different elements. Example: table salt.

Back

compound

Tags

NGSS.MS-PS1-1

Front

An atom that has lost or gained electrons becomes an ________ and carries an electric charge.

Back

ion

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5