Compounds

Review of Matter, Atoms, Elements, and Compounds

This is our last review activity before your quiz on matter, atoms, elements, and compounds.

States of Matter

I know characteristics of solids, liquids, and gasses.

Open Ended

What are the states of matter?

Multiple Choice

Matter that has its own shape and takes up space.

• solid
• liquid
• gas

Multiple Choice

Define a liquid.

• Indefinite shape, indefinite volume

• Definite shape, definite volume

• Found in stars

• Definite volume, indefinite shape

Parts of an Atom

I can identify protons, neutrons, and electrons.

Multiple Choice

Which subatomic particles contribute the least to the mass of an atom?

• Neutrons

• Protons

• Electrons

Elements

I can understand basic characteristics of an element from looking at cards from the periodic table.

Multiple Choice

What is the number of protons that the element in this image contain?

• 14
• 7
• 15
• 18

Multiple Choice

The atomic number tells you what?

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

Multiple Choice

Where is the element's atomic MASS located?

• at the top

• at the bottom

• the top number + the bottom number

• the number of protons + the number of neutrons

Multiple Choice

Can compounds be found in the periodic table?

• Yes

• No

Compounds

I can identify basic compounds and their characteristics.

Multiple Choice

Is this an example of an element or a compound?

 $S_{ }$  (Sulfur)

• element

• compound

Multiple Choice

Is this an example of an element or a compound?

 $H_2SO_4$  (sulphuric acid)

• element

• compound

Multiple Select

Select all the examples that are compounds.

•  $CH_4$  (methane)
  

•  $H_2O_2$  (hydrogen peroxide)
  

• NaCl (salt)

•  $O_{ }$  (oxygen)

Open Ended

How many atoms of each element are in the following chemical formula?  Si is silica and O is oxygen.  Write your anwer as a complete sentence.

 $SiO_2$  (sand)

Multiple Choice

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

Fill in the Blank

________ elements are in H₂O? (give a number as a answer.)

Multiple Choice

Which is the correct formula for:
one carbon (C)
two oxygen (O)

• CO₂
• CO
• C₂O
• 2CO

Fill in the Blank

How many atoms are represented in this compound? (Give your answer as a number.)

Na₂CO₃

Fill in the Blank

How many elements are represented in the compound? (Give your answer as a number.)

Na₂CO₃