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Inorganic Chemistry MCQ

The most widely effective solvent for organisms is a material that is _____.

Polar.

Element

Iodine

Sugar

Answer

Correct Answer: Polar.

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In hydrochloric acid (hcl), chlorine has greater electronegativity than hydrogen. therefore, _____.

The H side of an HCl molecule would have a slight positive charge

One of the atoms sharing electrons is much more electronegative

Is an ion.

All of these

Answer

Correct Answer: The H side of an HCl molecule would have a slight positive charge

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Water readily sticks to many other substances, a property called ______.

Cohesion

Adhesion

Polarity

Hydrophobic bonding

Answer

Correct Answer: Adhesion

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Atoms with the same number of protons but with different electrical charges _____

Are different ions

Biology

Ionic bond

Compounds

Answer

Correct Answer: Are different ions

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An ionic bond involves _____.

An attraction between ions of opposite charge.

Water avoidance.

The sharing of a single pair of electrons

Answer

Correct Answer: An attraction between ions of opposite charge.

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When a base is added to a buffered solution, the buffer will ______.

Accept water molecules

Accept H+ ions

Donate OH— ions

Form covalent bonds with the base

Donate H+ ions

Answer

Correct Answer: Donate H+ ions

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The way earth moves about the sun is most like ______.

A neutron and electron moving around a proton

An electron moving around the nucleus of an atom

A proton moving about an electron

A neutron moving about a proton

Answer

Correct Answer: An electron moving around the nucleus of an atom

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Relative to a ph of 6, a ph of 4 has a ________.

20 times higher H+ concentration

100 times lower H+ concentration

100 times higher H+ concentration

200 times higher H+ concentration

20 times lower H+ concentration

Answer

Correct Answer: 100 times higher H+ concentration

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Of the following metals, ________ exhibits multiple oxidation states.

Answer

Correct Answer: Ni

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In order to have a positive charge, an atom must have ________.

Neutrons and protons

More protons than electrons

An electron moving around the nucleus of an atom

Answer

Correct Answer: More protons than electrons

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The three atoms shown represent different __________.

Cells

Isotopes

Molecules

Elements

Answer

Correct Answer: Elements

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Changing the number of _____ would change an atom into an atom of a different element

Protons in an atom

Make up atoms

Dense core at the center of the atom

Atoms share electrons

Answer

Correct Answer: Protons in an atom

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As water freezes ______.

It loses its polarity

Its molecules move farther apart

It cools the surrounding environment

Its hydrogen bonds break apart

It absorbs energy from the surrounding environment

Answer

Correct Answer: Its molecules move farther apart

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This atom can form up to _____ single covalent bond(s)

Answer

Correct Answer: 4

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Of the compounds below, __________ has the smallest ionic separation.

RbCl

SrBr2

RbF

K2S

Answer

Correct Answer: SrBr2

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In the generation of most anions, the energy change (kj/mol) that _ an electron is __.

Removes, positive

Removes, negative

Adds, positive

Adds, negative

None is correct.

Answer

Correct Answer: Adds, negative

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In the following reaction, ni2+ is acting as a(n) ________. ni2+ (g) + 6h2o (l) → ni(h2o)62+ (aq)

Oxidizing agent

Lewis acid

Precipitating agent

Solvent

Ligand

Answer

Correct Answer: Lewis acid

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A base ________.

Removes H2O molecules from a solution

Decreases the pH of a solution

Adds HOH molecules to a solution

Removes H+ ions from a solution

Removes OH— ions from a solution

Answer

Correct Answer: Removes H+ ions from a solution

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Inorganic Chemistry MCQ

The most widely effective solvent for organisms is a material that is _____.

In hydrochloric acid (hcl), chlorine has greater electronegativity than hydrogen. therefore, _____.

Water readily sticks to many other substances, a property called ______.

Atoms with the same number of protons but with different electrical charges _____

An ionic bond involves _____.

When a base is added to a buffered solution, the buffer will ______.

The way earth moves about the sun is most like ______.

Relative to a ph of 6, a ph of 4 has a ________.

Of the following metals, ________ exhibits multiple oxidation states.

In order to have a positive charge, an atom must have ________.

The three atoms shown represent different __________.

Changing the number of _____ would change an atom into an atom of a different element

As water freezes ______.

This atom can form up to _____ single covalent bond(s)

Of the compounds below, __________ has the smallest ionic separation.

In the generation of most anions, the energy change (kj/mol) that _______ an electron is ________.

In the following reaction, ni2+ is acting as a(n) ________. ni2+ (g) + 6h2o (l) → ni(h2o)62+ (aq)

A base ________.

In the generation of most anions, the energy change (kj/mol) that _ an electron is __.