Chemistry Unit Review

Fill in the Blank

Label part A of the atom

Multiple Choice

Label the parts of the atom

• a. neutron

  b. electron

  c. proton

• a. proton

  b. neutron

  c. electron

• a. electron

  b. neutron

  c. proton

• a. neutron

  b. proton

  c. electron

Fill in the Blank

Use the periodic table to determine the number of protons in Iron (Fe)

Multiple Choice

Which of the following is a heterogenous mixture

• coffee

• sugar

• salt water

• muddy water

Multiple Choice

One function of lipids is to

• build tissue

• store energy

• provide quick energy

• code for traits

Fill in the Blank

_____ provides building materials for cells.

Multiple Choice

What happens to the reactants after a chemical reaction?

• The bonds will break and form new bonds

• The bonds will not break

• Only oxygen bonds will break

• Nothing happens

Multiple Choice

Which of the images represents a compound?

• A

• F

• E

• D

Multiple Choice

Glucose is a type of monomer to which macromolecule?

• carbohydrate

• lipids

• protein

• nucleic acid

Multiple Choice

The monomer for lipids is?

• glucose

• amino acids

• nucleotide

• fatty acid and glycerol

Multiple Choice

How would you describe the blue reactants?

• compound

• mixture

• element

Multiple Choice

Which of the images shows a chemical change?

• A

• B

• C

Multiple Choice

Identify C

• electron

• proton

• neutron

Multiple Choice

Use your periodic table to answer the following question.

What is the number of protons in a silver atom

• 10

• 47

• 49

• 107

Multiple Choice

The green particles represent which state of matter?

• Solid

• gas

• matter

• liquid

Multiple Choice

The red particles represents which state of matter?

• solid

• gas

• matter

• liquid

Fill in the Blank

Number of electron

Fill in the Blank

The atomic mass is

Multiple Choice

Which of the following represent the law of conservation of mass

Fill in the Blank

How many oxygen atoms are in this compound?

Fill in the Blank

How many aluminum atoms are in this compound?

Multiple Choice

Which separation method is the best method to turn salty water into pure water?

• by hand

• filtering

• distilling

• boiling

Multiple Choice

Mixtures that look the same throughout are called?

• homogenous mixtures

• heterogeneous mixtures

Multiple Choice

What type of mixture is air?

• homogenous mixture

• heterogeneous mixture

Multiple Choice

A substance made of 2 or more atoms that may be similar or different is

• compound

• element

• atom

• molecule

Multiple Choice

Two or more different atoms chemically combined is a?

• compound

• atom

• element

• molecule

Fill in the Blank

How many total atoms are in the reactants?

Multiple Choice

Identify the macromolecules essential for life

• oxygen

  carbohydrate

  lipid

  nucleic acid

• carbohydrate

  carbon

  protein

  lipid

• lipid

  carbohydrate

  nucleic acid

  protein

• protein

  sugar

  salt

  carbohydrate

Multiple Choice

Identify the part labeled 'C'

• atomic number

• atomic name

• atomic mass

• atomic symbol

Multiple Choice

Using the formula NH₃ label the molecule in the picture, label all the atoms

• 1. hydrogen

  2. hydrogen

  3. nitrogen

  4. nitrogen

• 1. nitrogen

  2. hydrogen

  3. nitrogen

  4. hydrogen

• 1. nitrogen

  2. hydrogen

  3. hydrogen

  4. hydrogen

• 1. hydrogen

  2. hydrogen

  3. hydrogen

  4. nitrogen

Multiple Choice

The smallest part of an element that has all the properties of the element is?

• atom

• element

• molecule

• compound