Atoms and Molecules Review

The smallest particles of matter are called

• neutrons

• atoms

• electrons

• protons

particles are packed tightest in a

• solid

• liquid

• gas

• plasma

Tags

NGSS.MS-PS1-4

particles move fastest in a

• solid

• liquid

• gas

• slime

Tags

NGSS.MS-PS1-4

Elements are made of 

• many types of atoms 
• the periodic table
• one type of atom 
• molecules 

All matter is made of 

• energy 
• atoms 
• electrons 
• compounds 

Tags

NGSS.MS-PS1-1

Two or more atoms chemically bonded together are called a

• atom
• element
• molecule
• mixture

Tags

NGSS.MS-PS1-1

What does the nucleus of an atom contain?

• Electrons and neutrons
• Protons and neutrons
• Neutrinos and positrons
• DNA and RN

Tags

NGSS.MS-PS1-1

Which subatomic particles are much smaller than the others and have a negative charge?

• protons

• neutrons

• electrons

H₂O is a compound molecule.

• TRUE

• FALSE

Tags

NGSS.MS-PS1-1

Group of atoms bonded together

• Mixture

• Compouns

• Atom

• Molecules

Tags

NGSS.MS-PS1-1