The particle in an atom that has no electric charge is the...

• proton

• electron

• neutron

• electron cloud

The atomic mass of an element is equal to this

• # of protons

• # of neutrons

• # of protons+ electrons

• # of neutrons and protons

Groups on the Periodic Table with similar properties are...

• families

• compounds

• tables

• periods

O

Tags

NGSS.MS-LS1-6

NGSS.MS-PS1-5

Au

C

Tags

NGSS.MS-ESS2-1

NGSS.MS-LS1-6

NGSS.MS-LS2-3

He

Particles found in an atom other than protons, neutrons, electrons are...

• isotopes

• quarks

• acids

• polymers

if an element has 18 electrons, how many would be in the third energy level?

• 8

• 16

• 2

• 10

What state of matter has no definite shape and no definite volume?

• element

• solid

• gas

• liquid