Atoms Vocab

The theory that all matter is made up of individual particles called atoms, which cannot be divided.

• Nucleus

• Proton

• Dalton's Theroy

• Atomic Number

Tags

NGSS.MS-PS1-1

The dense, positively charged mass located in the center of an atom.

• Proton

• Nucleus

• Electron

• Isotopes

A positively charged subatomic particle that is found in the nucleus of an atom. 

• Proton

• Ground state

• Electron cloud

• Neutron

A negatively charged subatomic particle that is found in the space outside of an atom.

• Orbital

• Dalton's Theory

• Atomic number

• Electron

Tags

NGSS.MS-PS2-3

A neutral subatomic particle that is found in the nucleus of an atom.

• Proton

• Nuetron

• Energy levels

• Nueclus

The number of protons in an atom of that element.

• Mass number

• Ground state

• Atomic number

• Energy levels

The sum of the number of protons and neutrons in the nucleus of an atom.

• Isotopes

• Atomic number

• Mass number

Atoms of the same element that have different numbers of neutrons and mass numbers.

• Mass number

• Energy level

• Isotopes

• Electron configuration

The possible energies that electrons in an atom can have. 

• Mass number

• Energy leves

• Nuetron

• Atomic number

Tags

NGSS.HS-PS1-1

A visual model of the most likely locations for an atom. 

• Electron Cloud

• Nucleus

• Isotopes

• Ground state