A single particle of a pure substance.

Tags

NGSS.MS-PS1-1

A unique particle of matter that is a fundamental building block of matter.

Tags

NGSS.MS-PS1-5

A shorthand notation of one, two or three letters that represent the name of the element.

Atoms bonded together are called this.

Tags

NGSS.MS-PS1-1

An atom is always ​ (a)   charged because There is an ​ ​ (b)   number of ​ (c)   and electrons in an atom.

• neutrally

• equal

• protons

• electrons

• positively

• negatively

• neutrons

Tags

NGSS.MS-PS1-1

Protons can be found in the ​ (a)  

• nucleus

• Electron Cloud

• Orbitals

• By themselves

An atom with the same number of protons and electrons has a ​ (a)   net charge.

• neutral

• positive ion

• negative ion

• fish

Label the parts of an atom

a

b

c

d

e

Electron

Nucleus

Electron cloud

Proton

Neutron

Tags

NGSS.MS-PS1-1

What is at the center of every atom? (a)  

• An electron

• A compound

• A molecule

• A nucleus

Locate the area that is known to have valence electron.

a

Neutron

Nucleus

Proton

Electron

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2