Atoms - Vocabulary

Smallest particle of an element that retains its identity in a chemical reaction

• Atom

• Element

• Proton

• Electron

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

A positively charged particle found in the nucleus of an atom

• Electron

• Neutron

• Proton

• Atom

Tags

NGSS.MS-PS1-1

A neutral particle found in the nucleus of an atom

• Electron

• Neutron

• Proton

• Atom

Tags

NGSS.MS-PS1-1

A negatively charged particle found outside the nucleus of an atom

• Electron

• Neutron

• Proton

• Atom

Tags

NGSS.MS-PS1-1

An arrangement of elements in which the elements are separated into groups based on a set of repeating properties

• Chemical Symbol

• Element

• Atom

• Periodic Table

The number of protons found in the nucleus of an atom.

• Atomic Mass Number

• Atomic Number

• Chemical Symbol

• Element

The abbreviation that is used to identify each element on the periodic table and in chemical formulas.

• Electrons

• Atomic Mass Number

• Atomic Number

• Chemical Symbol

The total number of protons and neutrons in an atom's nucleus

• Atomic Mass Number

• Element

• Atomic Number

• Atom

Tags

NGSS.MS-PS1-1

Particles are tightly packed. Particles move SLOW! Has definite shape. Has constant volume.

• Solid

• Liquid

• Gas

• Matter

Particles are loosely packed and can flow over each other. Particles move at MEDIUM speed! Has indefinite shape.

• Solid

• Liquid

• Gas

• Matter

Tags

NGSS.MS-PS1-4