Atoms

anything that has mass and takes up space

• matter

• atom

• element

• nucleus

the basic structural unit of matter

• atom

• element

• matter

• nucleus

Tags

NGSS.MS-PS1-1

a collection of atoms of one type that cannot be broken down into simpler substances by ordinary chemical or physical means

• element

• electron

• subatomic particle

• matter

the positively charged subatomic particle contained in the nucleus of an atom

• proton

• neutron

• electron

• matter

Tags

NGSS.MS-PS1-1

a subatomic particle, contained in the nucleus of an atom, having the same mass as a proton but no electrical charge

• proton

• neutron

• electron

• matter

a negatively charged subatomic particle that orbits the nucleus of an atom

• proton

• neutron

• electron

• matter

the dense, positively charged center of an atom, which contains the protons and neutrons

• nucleus

• electron cloud

• matter

• atomic theory

Tags

NGSS.MS-PS1-1

a visual model of the most likely locations for the electrons in an atom

• electron cloud

• atomic theory

• nucleus

• molecule

a piece of matter smaller than an atom and found inside an atom

• subatomic particle

• atomic theory

• molecule

• compound