7/8 Chem Test 1

all matter is made of what 

• energy 
• atoms 
• electrons 
• compounds 

electrons have this type of charge?

• negative
• positive
• neutral

The atomic number tells you what?

• number of electrons
• number of protons
• number of neutrons
• both electrons and protons in an atom.

The number at the top of each square on the periodic table is the ...

• atomic number
• atomic mass
• Chemical Symbol
• Element Name

What is Fe₂O₃
(rust) made up of?

• 1 flourine, 2 einsteinium,
  3 oxygen
• 2 fluorine, 3 oxygen
• 2 iron, 3 oxygen
• 2 iron, 3 osmium

How many different elements are there?

• 10

• 50

• 100

• 118

Ozone and Oxygen molecules are the same substance because they both are made only of oxygen atoms.

• true

• false

Molecules bonded together make up atoms.

• true

• false

In a chemical reaction or change a new substance is not created.

• true

• false

What is Batman's favorite element?

• Na

• H

• O

• Cl