Density and Molecules and Mixtures

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 

Two or more atoms chemically bonded together are called a

• atom
• element
• molecule
• mixture

Which colored particle is the electron?

• blue

• red

• yellow

• red and yellow

H₂O is a compound molecule.

• TRUE

• FALSE

O₂ is a compound molecule.

• TRUE

• FALSE

What is the picture displayed?

• atom

• element molecule

• compound molecule

How many Hydrogen atoms are in Water (H2O)

• 1
• 2
• 3
• 4

Are these molecules also compounds?

• YES

• NO

Which of the following is NOT a compound?

• HCl

• Cl₂

• NaCl

• CO₂