Question 1

Predict the formula for the binary compound formed between aluminum and fluorine.

Accepted Answer

The answer of Predict the formula for the binary compound...

Question 2

The Stock system name for Co2(SO3) 3 is:

Accepted Answer

A)  cobalt sulfate
B)  cobalt(II) sulfite
C)  cobalt(II) sulfate
D)  cobalt(III) sulfite
E)  cobalt(III) sulfateF) A) and B)
G) None of the above

Question 3

Marie Curie suggested the name "radioactivity" to describe the spontaneous emission of particles and/or radiation.

Accepted Answer

A) True 
 B)False

Question 4

Use the periodic table above to show where the metalloids are located.

Accepted Answer

The answer of Use the periodic table above to show...

Question 5

When J. J. Thomson discovered the electron, what physical property of the electron did he measure?

Accepted Answer

A)  its charge, e
B)  its charge-to-mass ratio, e/m
C)  its temperature, T
D)  its mass, m
E)  its atomic number, ZF) B) and C)
G) A) and E)

Question 6

What are the seven elements that naturally occur as diatomic molecules?

Accepted Answer

Hydrogen, nitrogen, ...

Question 7

Write the formula for the acid formed from the hydrogen sulfate anion, and then name the acid.

Accepted Answer

The answer of Write the formula for the acid formed...

Question 8

Describe the contributions of Marie Curie.

Accepted Answer

(note that answers will vary)Marie Curie...

Question 9

The Stock system name for As2S5 is

Accepted Answer

A)  arsenic(V) sulfide.
B)  diarsenic pentasulfide.
C)  arsenic(III) sulfide.
D)  arsenic(V) sulfate.
E)  diarsenic sulfate.F) B) and C)
G) A) and D)

Question 10

Give the formula of magnesium nitrate.

Accepted Answer

The answer of Give the formula of magnesium nitrate....

Question 11

An aluminum ion, Al3+, has:

Accepted Answer

A)  13 protons and 13 electrons
B)  27 protons and 24 electrons
C)  16 protons and 13 electrons
D)  13 protons and 10 electrons
E)  10 protons and 13 electronsF) C) and E)
G) A) and B)

Question 12

Give the number of protons (p) , electrons (e) , and neutrons (n) in one atom of nickel-62.

Accepted Answer

A)  28 p, 28 e, 28 n
B)  28 p, 28 e, 34 n
C)  28 p, 28 e, 62 n
D)  62 p, 28 e, 28 n
E)  62 p, 62 e, 28 nF) A) and D)
G) A) and C)

Question 13

How many protons are there in one atom of nickel?

Accepted Answer

The answer of How many protons are there in one...

Question 14

The mineral pyrolusite is a compound of manganese-55 and oxygen-16. If 63% of the mass of pyrolusite is due to manganese, what is the empirical formula of pyrolusite?

Accepted Answer

A)  MnO
B)  Mn2O
C)  Mn2O2
D)  MnO2
E)  none of theseF) A) and D)
G) A) and B)

Question 15

Use the following to answer questions 70-76: 
-Use the periodic table above to show where the alkali metals are located.

Accepted Answer

The answer of Use the following to answer questions 70-76:...

Question 16

Which one of the following elements is most likely to form a 2- ion?

Accepted Answer

A)  scandium
B)  selenium
C)  silicon
D)  strontium
E)  iodineF) A) and B)
G) B) and C)

Question 17

How many electrons, protons, and neutrons are in a neutral atom of the following isotope of gadolinium?

Accepted Answer

64 electro...

Question 18

The elements known as the halogens are useful as disinfectants. Name two halogens.

Accepted Answer

(two of th...

Question 19

Atoms of the same element with different mass numbers are called

Accepted Answer

A)  ions.
B)  neutrons.
C)  allotropes.
D)  chemical families.
E)  isotopes.F) C) and D)
G) A) and E)

Question 20

Which one of the following elements is most likely to form a 2+ ion?

Accepted Answer

A)  beryllium
B)  carbon
C)  fluorine
D)  oxygen
E)  sodiumF) B) and E)
G) A) and C)

Exam 2: Atoms, Molecules, and Ions

Use the periodic table above to show where the metalloids are located.

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The elements known as the halogens are useful as disinfectants. Name two halogens.

Correct Answerverified(two of th...View AnswerShow Answer

Describe the contributions of Marie Curie.

Correct Answerverified(note that answers will vary)Marie Curie...View AnswerShow Answer

Marie Curie suggested the name "radioactivity" to describe the spontaneous emission of particles and/or radiation.

Correct AnswerverifiedShow Answer

Give the number of protons (p) , electrons (e) , and neutrons (n) in one atom of nickel-62.

Correct AnswerverifiedShow Answer

An aluminum ion, Al3+, has:

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Atoms of the same element with different mass numbers are called

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The mineral pyrolusite is a compound of manganese-55 and oxygen-16. If 63% of the mass of pyrolusite is due to manganese, what is the empirical formula of pyrolusite?

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Give the formula of magnesium nitrate.

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Use the following to answer questions 70-76: -Use the periodic table above to show where the alkali metals are located.

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Write the formula for the acid formed from the hydrogen sulfate anion, and then name the acid.

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Predict the formula for the binary compound formed between aluminum and fluorine.

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The Stock system name for Co2(SO3) 3 is:

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How many protons are there in one atom of nickel?

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Which one of the following elements is most likely to form a 2- ion?

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How many electrons, protons, and neutrons are in a neutral atom of the following isotope of gadolinium?

Correct Answerverified64 electro...View AnswerShow Answer

When J. J. Thomson discovered the electron, what physical property of the electron did he measure?

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The Stock system name for As2S5 is

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Which one of the following elements is most likely to form a 2+ ion?

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What are the seven elements that naturally occur as diatomic molecules?

Correct AnswerverifiedHydrogen, nitrogen, ...View AnswerShow Answer

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(two of th...
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(note that answers will vary)Marie Curie...
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An aluminum ion, Al³⁺, has:

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The Stock system name for Co₂(SO₃) ₃ is:

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64 electro...
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The Stock system name for As₂S₅ is

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Hydrogen, nitrogen, ...
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