Question 1

Rutherford's experiment with alpha particle scattering by gold foil established that

Accepted Answer

A)   protons are not evenly distributed throughout an atom.
B)   electrons have a negative charge.
C)   electrons have a positive charge.
D)   atoms are made of protons, neutrons, and electrons.
E)   protons are 1840 times heavier than electrons.

Question 2

What is the name of H3PO3

Accepted Answer

A)   Phosphoric acid
B)   Phosphorous acid
C)   Hydrophosphoric acid
D)   Hydrophosphorous acid
E)   None of the above

Question 3

The name for Ba(OH) 2 is

Accepted Answer

A)   barium hydrogen oxide.
B)   boron hydroxide.
C)   barium hydrate.
D)   beryllium hydroxide.
E)   barium hydroxide.

Question 4

Give the formula for potassium hydroxide.

Accepted Answer

A)   KOH
B)   K(OH) 2
C)   KO
D)   K2(OH) 4
E)   K(OH) 3

Question 5

Which of the following elements is chemically similar to oxygen

Accepted Answer

A)   sulfur
B)   calcium
C)   iron
D)   nickel
E)   sodium

Question 6

Give the formula of iron(II)  phosphate.

Accepted Answer

A)   Fe3(PO4) 2
B)   Fe2(PO4) 2
C)   Fe3(PO4) 3
D)   Fe2(PO4) 4
E)   Fe4(PO4) 2

Question 7

What is the formula for dinitrogen monoxide

Accepted Answer

A)   N2O
B)   NO
C)   NO2
D)   N2O2
E)   2NO

Question 8

Which of the following are isotopes

Accepted Answer

A)   (14
C)   and 13C
B)   (14
C)   and 14N
C)   (14N)  and 14N3-
D)   (12
C)  and 12CO
E)   (14N)  and 14N2

Question 9

Which of the following is the correct formula for the ammonium ion

Accepted Answer

A)   NH3
B)   NH2
C)   NH4+
D)   NH4-
E)   NH2+

Question 10

Which scientist is credited with suggesting the name "radioactivity" to describe the spontaneous emission of particles and/or radiation

Accepted Answer

A)   Ernst Rutherford
B)   J.J. Thomson
C)   Johannes Geiger
D)   Raymond Chang
E)   Marie Curie

Question 11

Which of the following is an example of an anion that contains a metal

Accepted Answer

A)   Ammonium
B)   Chromate
C)   Sulfate
D)   Nitrate
E)   Phosphate

Question 12

The elements in a column of the periodic table are known as

Accepted Answer

A)   metalloids.
B)   a period.
C)   noble gases.
D)   a group.
E)   nonmetals.

Question 13

The chemical formula for iron(II)  nitrate is

Accepted Answer

A)   Fe2(NO3) 3.
B)  Ir(NO2) 2.
C)   Fe2N3.
D)   Fe(NO3) 2.
E)   Fe(NO2) 2.

Question 14

The atomic number is equal to the number of _______ in the nucleus of each atom of an element.

Accepted Answer

A)   neutrons
B)   protons
C)   electrons
D)   alpha particles
E)   gamma rays

Question 15

Which is the correct formula for iron(II)  phosphate

Accepted Answer

A)   Fe2PO4
B)   Fe3(PO4) 2
C)   Fe2PO3
D)   Fe(PO4) 2
E)   Fe(PO3) 2

Question 16

Name the following compound: K3PO4.

Accepted Answer

A)   Tripotassium phosphorus tetraoxide
B)   Potassium phosphate
C)   Tripotassium phosphate
D)   Potassium phosphite
E)   Potassium phosphide

Exam 2: Atoms Molecules and Ions

Name the following compound: K₃PO₄.

Correct Answer
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The atomic number is equal to the number of _______ in the nucleus of each atom of an element.

Correct Answer
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What is the name of H₃PO₃

Correct Answer
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What is the formula for dinitrogen monoxide

Correct Answer
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Which of the following are isotopes

Correct Answer
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Give the formula for potassium hydroxide.

Correct Answer
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Which of the following elements is chemically similar to oxygen

Correct Answer
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Which scientist is credited with suggesting the name "radioactivity" to describe the spontaneous emission of particles and/or radiation

Correct Answer
verified

Give the formula of iron(II) phosphate.

Correct Answer
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The elements in a column of the periodic table are known as

Correct Answer
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Which of the following is the correct formula for the ammonium ion

Correct Answer
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Which of the following is an example of an anion that contains a metal

Correct Answer
verified

Which is the correct formula for iron(II) phosphate

Correct Answer
verified

The name for Ba(OH) ₂ is

Correct Answer
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The chemical formula for iron(II) nitrate is

Correct Answer
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Rutherford's experiment with alpha particle scattering by gold foil established that

Correct Answer
verified

Exam 2: Atoms Molecules and Ions

Name the following compound: K3PO4.

Correct AnswerverifiedShow Answer

The atomic number is equal to the number of _______ in the nucleus of each atom of an element.

Correct AnswerverifiedShow Answer

What is the name of H3PO3

Correct AnswerverifiedShow Answer

What is the formula for dinitrogen monoxide

Correct AnswerverifiedShow Answer

Which of the following are isotopes

Correct AnswerverifiedShow Answer

Give the formula for potassium hydroxide.

Correct AnswerverifiedShow Answer

Which of the following elements is chemically similar to oxygen

Correct AnswerverifiedShow Answer

Which scientist is credited with suggesting the name "radioactivity" to describe the spontaneous emission of particles and/or radiation

Correct AnswerverifiedShow Answer

Give the formula of iron(II) phosphate.

Correct AnswerverifiedShow Answer

The elements in a column of the periodic table are known as

Correct AnswerverifiedShow Answer

Which of the following is the correct formula for the ammonium ion

Correct AnswerverifiedShow Answer

Which of the following is an example of an anion that contains a metal

Correct AnswerverifiedShow Answer

Which is the correct formula for iron(II) phosphate

Correct AnswerverifiedShow Answer

The name for Ba(OH) 2 is

Correct AnswerverifiedShow Answer

The chemical formula for iron(II) nitrate is

Correct AnswerverifiedShow Answer

Rutherford's experiment with alpha particle scattering by gold foil established that

Correct AnswerverifiedShow Answer

Name the following compound: K₃PO₄.

Correct Answer
verified

Correct Answer
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What is the name of H₃PO₃

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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The name for Ba(OH) ₂ is

Correct Answer
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Correct Answer
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Correct Answer
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