CCU5 Test Prep

Multiple Choice

Hydroxide

• Cr₂O₄^-2
• Cr₂O₄^-2
• O₃^-2
• OH^-

Multiple Choice

How many atoms total are in AlPO₄?

• 4

• 5

• 6

• 7

Multiple Choice

SO₄^-2

• Sulfite

• Sulfide

• Sulfate

• Persulfate

Multiple Choice

What is the name of P₂O₅?

• pentaphosphorus dioxide

• diphosphorus pentoxide

• phosphorus oxide

• phosphorus pentoxide

Multiple Choice

What is the charge of Aluminium?

• 3
• +3
• +2
• +1

Multiple Choice

What is the charge of Bromide?

• -1
• 1
• +1
• +2

Multiple Choice

Which element's atom is larger? Nitrogen or Phosphorus?

• Nitrogen

• Phosphorus

Multiple Choice

Why does Ca have a larger radius than Se?

• It has more energy levels

• It has fewer energy levels

• It has more protons

• It has fewer protons

Multiple Choice

How many significant figures does the following number have?1.2500 x $$10^3$$  

• 5
• 3
• Ambiguous: 3 or 5

• 7

Multiple Choice

How many significant figures does the following number have?
0.00345

• 6
• 5
• 3
• Ambiguous: 3,4,5, or 6

Multiple Choice

This could be the dot diagram of

• Mg

• Cl

• C

• O

Multiple Choice

This could be the dot diagram for...

• He

• Al

• Be

• Si

Multiple Choice

A solution with a pH of 8.6 would be...

• Acid
• Base
• Neutral
• Acid and Base

Multiple Choice

This substance releases OH- into solution

• Acid
• Base
• Neutral

Multiple Choice

What is the pH of a 1.53 x 10^-6 M solution of HCl?

• 5.82

• 8.18

• 6.99

• 4.15

Multiple Choice

1. What is the maximum number of electrons in the p sublevel?

• 2

• 4

• 6

• 8

Multiple Choice

What atom matches this electron configuration?

1s²2s²2p⁶3s²3p⁶4s²3d¹⁰

• Zinc

• Copper

• Nickel

• Germanium

Multiple Choice

The electron configuration of an atom is 1s²2s²2p⁶.  The number of electrons in the atom is 

• 3
• 6
• 8
• 10

Multiple Choice

What is the relative charge of a neutron?

• +1

• -1

• 0

Multiple Choice

A nucleus X has 17 protons and 18 neutrons.

Which notation is correct for this nucleus?

Multiple Choice

How many neutrons does this isotope of beryllium have?

• 9

• 5

• 4

• 2

Multiple Choice

How many electrons does this isotope of beryllium have?

• 9

• 5

• 4

• 2

Multiple Choice

An ion forms when an atom gains or loses _?_.

• protons

• neutrons

• electrons

• energy levels

Multiple Choice

Which particles are transferred during a redox reaction?

• atoms

• electrons

• neutrons

• positrons

Multiple Choice

The below reaction is an example of _________reaction.

F₂ + 2 e^- → 2 F^-

• Oxidation

• Reduction

• Neutralization

• decomposition

• combustion

Multiple Choice

During the process of reduction, _________________

• protons are lost.

• protons are gained.

• electrons are lost.

• electrons are gained

• neutrons are lost.

Multiple Choice

What type of reaction is the following: Fe + CuSO4 -> FeSO4 + Cu?

• Combustion reaction

• Decomposition reaction

• Double replacement reaction

• Single replacement reaction

Multiple Choice

What is the missing isotope that will balance the following nuclear equation?

⁹₄Be + ¹₁H → _____ + ⁴₂He

• ¹⁰₅B

• ¹⁰₅Ne

• ⁶₃Li

• ⁶₃C

Multiple Choice

Balance the following equation: ¹⁴₆C → ⁰_-1e + ________

• ¹⁴₅B

• ¹⁴₆C

• ¹⁴₇N

• ⁴₂He

Multiple Choice

Complete the nuclear equation and determine the type of decay that is occurring in this reaction. 

• Alpha

• Beta

• Gamma

• None

Multiple Choice

If 10 mg of iodine 131 is given to a patient, how much is left after 24 days? The half-life of iodine-131 is 8 days.

• 1.25mg

• 1.25g

• 10g

• 10mg

Multiple Choice

If the half-life of uranium-232 is 70 years, how many half-lives will it take for 10 g of it to be reduced to 1.25 g?

• 1 half-life

• 2 half-lives

• 3 half-lives

• 4 half-lives