Structure of Atoms 7.PS1.1

All matter is made up of tiny particles called ___________.

• atom

• neutron

• proton

• electron

Tags

NGSS.MS-PS1-1

Anything that has mass and takes up space

• atom

• matter

• electron

• electron cloud

Tags

NGSS.MS-PS1-5

A particle smaller than an atom

• atomic number

• atomic mass

• Subatomic particle

• cell

Negatively charged particles of an atom

• proton

• neutron

• electron

• matter

A small particle in the nucleus of the atom, with no electrical charge

• proton

• nucleus

• neutron

• cell

The central core of an atom which contains protons and neutrons

• neutron

• electron cloud

• nucleus

• core

The space where electrons are outside of the nucleus of the atom

• atomic mass

• electron cloud

• subatomic particle

• outer space

Every element has a unique __________ ___________. This is determined by the number of protons in the nucleus of an atom.

• proton

• atomic number

• atomic mass

• number of neutrons

The mass of the protons and neutrons in an atom is the ____________ ____________.

• atomic mass

• atomic number

• electron cloud

• number of electrons

The positively charged particles in an atom's nucleus

• Proton

• Electron

• Neutron

• cell