Semester Exam Review 2

Multiple Choice

Is freezing juice a physical or chemical change?

• Physical Change
• Chemical Change

Multiple Choice

Crushing an aluminum can is an example of

• physical change

• chemical change

• evaporation

• waste

Multiple Choice

Is this an example of a physical or chemical change?

• physical

• chemical

Multiple Choice

What period does the element I - Iodine belong to?

• 17

• 6

• 3

• 5

Multiple Choice

What group does the element Zn - Zinc belong to?

• 12

• 10

• 4

• 5

Multiple Select

Select all examples that represent quantitative data.

• The solution turned blue.

• 5 mL of liquid was produced.

• Bubbles formed during the reaction.

• The product weighs 4.22 g

Multiple Choice

Which of the following statements about mixtures is correct?

• Homogenous mixtures have a uniform composition throughout.

• Heterogenous mixtures have a uniform composition throughout.

• Homogenous mixtures are always visible to the naked eye.

• Heterogenous mixtures cannot be separated.

Multiple Choice

How many significant figures are in the number 0.02300?

• 2

• 3

• 4

• 1

Multiple Choice

What is the mass (M) of a substance with a density (D) of 2.1 g/mL and a volume (V) of 9.1 mL?

• 19.11 g

• 11.2 g

• 7.0 g

• 2.1 g

Multiple Select

Which of the following statements about subatomic particles are correct?

• Protons have a positive charge and are located in the nucleus.

• Electrons have mass and are located in the nucleus.

• Neutrons have no charge and are located in the nucleus.

• Electrons are negative and found in a cloud around the nucleus.

Multiple Choice

Which orbital can hold the greatest number of electrons?

• S orbital

• P orbital

• D orbital

• F orbital

Multiple Choice

Which element has the electron configuration 1s2 2s2 2p6 3s2 3p4?

• Carbon

• Sulfur

• Phosphorous

• Oxygen

Multiple Select

Select all groups from the periodic table that contain only nonmetals.

• Group 1

• Group 2

• Group 17

• Group 18

Multiple Choice

LiBr is called

• lithium bromine

• lithium (I) bromine

• lithium bromide

• lithuim (I) bromide

Multiple Choice

The name of FeCl₂ is

• iron chloride

• iron (II) chloride

• iron (I) chloride

• iron dichloride

Multiple Choice

The name of the compound Ca₃(PO₄)₂

• calcium phosphate

• tricalcium diphosphate

• calcium phosphorus oxide

• calcium phosphide

Multiple Choice

Which prefix is used to indicate six atoms in a covalent compound?

• Hexa

• Hepta

• Octa

• Deca

Multiple Choice

What is the name of N₂O₃

• Nitrogen trioxide
• Dinitrogen oxide
• Dinitrogen trioxide
• Nitrogen oxide

Multiple Choice

What is the chemical formula for Tetrasulfur pentoxide?

• SO
• S₄O
• S₄O₅
• S₅O₄

Multiple Choice

What is the name of C₃Cl₈ ?

• Carbon octachloride
• Tricarbon octachloride
• Carbon trichloride
• Octacarbon trichloride

Multiple Choice

What is the ion formed from Sulfur? If it has 6 valence electrons.

• S⁺²

• S^-2

• S⁺⁶

• S^-6

Multiple Choice

How many electrons would a Calcium ion gain/lose? If it has 2 valence electrons.

• lose 1

• gain 1

• lose 2

• gain 2

Multiple Choice

An atom with 2 protons, 3 neutrons, and 4 electrons has a charge of ____.

• +2

• -2

• +3

• 0

Multiple Choice

What is the molar mass of Ba(OH)2?

• 171.35 g/mol

• 40.08 g/mol

• 32.00 g/mol

• 58.44 g/mol