The basic unit of matter that is made of protons, neutrons, and electrons.

• mixture

• atoms

• element

• compound

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

A tiny, negatively charged particle that moves around the nucleus of an atom.

• proton

• atom

• electron

• neutron

A mixture that is not uniform in composition; components are not evenly

distributed throughout the mixture

• 
  atom

• homogeneous mixture

  
  

• compound

  
  

• heterogeneous mixture

A mixture that is so evenly mixed that you can't see all of the different parts. Ex. saltwater

• heterogeneous mixture

  
  

• homogeneous mixture

  
  

• compound

• molecule

C, Pb, K, are examples of?

• homogeneous

  mixture

• elements

• compounds

• mixture

A capital letter or a capital letter and a lower case is an

• compound

• element

Tags

NGSS.MS-PS1-1

Two capital letters or more represents a _______

• element

• compound

What is the number 112?

• Symbol

• atomic number

• Atomic mass

• electron

Tags

NGSS.MS-PS1-1

What is the number 277?

• name

• symbol

• atomic mass

• atomic number

Which is an example of a chemical change?

• boiling water

• cooked egg

• cutting a tree

• melting ice

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5