Ch.11 Matter and Atoms

matter with a composition that is always the SAME

• atom

• element

• substance

• molecule

matter that can vary in composition

• compound

• mixture

• substance

• molecule

small particle that is the building block of matter

• atom

• element

• ion

• molecule

Tags

NGSS.MS-PS1-1

substance made of TWO or more elements that are CHEMICALLY joined in a specific combination

• compound

• mixture

• substance

• molecule

Tags

NGSS.MS-PS1-1

the number of protons in the nucleus of an atom of an element

• atomic number

• ion

• molecule

• isotope

negatively charged particle that occupies the space in an atom outside the nuclei

• proton

• electron

• neutron

Tags

NGSS.MS-PS1-1

substance made up of only one type of atom

• atom

• element

• substance

• molecule

mixture in which the substances are NOT evenly mixed

• heterogeneous

• homogeneous

anything that has MASS and TAKES UP SPACE

• matter

• nucleus

• substance

two or more atoms that are held together by chemical bonds and act as a unit

• atom

• element

• compound

• molecule

Tags

NGSS.MS-PS1-1