Ionic And Molecular Compounds

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Chemistry in Our Lives
Chemistry and Measurement
Matter and Energy
Atoms and Elements
Nuclear Chemistry
Ionic and Molecular Compounds
Chemical Quantities and Reactions
Gases
Solutions
Acids and Bases and Equilibrium
Introduction to Organic Chemistry: Hydrocarbons
Alcohols,Thiols,Ethers,Aldehydes,and Ketones
Carbohydrates
Carboxylic Acids,Esters,Amines,and Amides
Lipids
Amino Acids,Proteins,and Enzymes
Nucleic Acids and Protein Synthesis
Metabolic Pathways and Energy Production

All Questions

Question 1

Free

Multiple Choice

In ionic compounds, lose their valence electrons to form positively charged .

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metals,anions

nonmetals,cations

metals,polyatomic ions

nonmetals,anions

metals,cations

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Question 2

Free

Multiple Choice

How many electrons will aluminum gain or lose when it forms an ion?

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lose 1

gain 5

lose 2

lose 3

gain 1

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Question 3

Free

Multiple Choice

What is the symbol for the ion with 19 protons and 18 electrons?

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F⁺

F^-

Ar⁺

K^-

K⁺

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Question 4

Free

Multiple Choice

To form an ion,a sodium atom ________ .

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gains one electron

gains two electrons

loses seven electrons

loses one electron

loses two electrons

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Question 5

Free

Multiple Choice

An anion always ________ .

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has a positive charge

contains a group of two or more atoms with a positive charge

contains a metal and a nonmetal

forms covalent bonds

has a negative charge

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Question 6

Multiple Choice

What is the ionic charge of an ion with 13 protons and 10 electrons?

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Question 7

Multiple Choice

The number of electrons in an ion with 16 protons and an ionic charge of 2- is ________ .

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Question 8

Multiple Choice

Elements in group 2A (2)of the periodic table form ions with a charge of ________ .

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Question 9

Multiple Choice

The ion of aluminum is ________ .

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Question 10

Multiple Choice

How many electrons will chlorine gain or lose when it forms an ion?

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lose 1

gain 1

lose 7

gain 2

lose 3

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Question 11

Multiple Choice

When a cation is formed from a representative element ________ .

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electrons are gained and the ion is larger

electrons are gained and the ion is smaller

electrons are lost and the ion is larger

electrons are lost and the ion is smaller

the cation acquires a negative charge

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Question 12

Multiple Choice

An ionic compound ________ .

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has a net positive charge

has a net negative charge

contains only cations

contains only anions

has a net charge of zero

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Question 13

Multiple Choice

The correct formula for a compound formed from the elements Al and O is ________ .

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AlO

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Question 14

Multiple Choice

The correct formula for the compound formed from Mg and S is ________ .

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MgS

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Question 15

Multiple Choice

Which one of the following compounds contains an ion with a 3+ charge?

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KCl

CuCl

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Question 16

Multiple Choice

What is the correct formula for the oxide ion?

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Question 17

Multiple Choice

The compound is named ________ .

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magnesium chlorine

magnesium dichloride

magnesium(II)chloride

magnesium chloride

dimagnesium chloride

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Question 18

Multiple Choice

Which one of the following elements forms two or more ions with different ionic charges?

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Question 19

Multiple Choice

What is the correct formula for the iron(II)ion?

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Question 20

Multiple Choice

The name of the ion is ________ .

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copper(II)

copper(I)

copper(III)

copper

cuprum

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Ionic And Molecular Compounds

In ionic compounds, ________ lose their valence electrons to form positively charged ________ .

How many electrons will aluminum gain or lose when it forms an ion?

What is the symbol for the ion with 19 protons and 18 electrons?

To form an ion,a sodium atom ________ .

An anion always ________ .

What is the ionic charge of an ion with 13 protons and 10 electrons?

The number of electrons in an ion with 16 protons and an ionic charge of 2- is ________ .

Elements in group 2A (2)of the periodic table form ions with a charge of ________ .

The ion of aluminum is ________ .

How many electrons will chlorine gain or lose when it forms an ion?

When a cation is formed from a representative element ________ .

An ionic compound ________ .

The correct formula for a compound formed from the elements Al and O is ________ .

The correct formula for the compound formed from Mg and S is ________ .

Which one of the following compounds contains an ion with a 3+ charge?

What is the correct formula for the oxide ion?

The compound is named ________ .

Which one of the following elements forms two or more ions with different ionic charges?

What is the correct formula for the iron(II)ion?

The name of the ion is ________ .

In ionic compounds, lose their valence electrons to form positively charged .