Question 1

Which of the following is NOT an intramolecular bond?

Accepted Answer

hydrogen

Answer

ionic

Answer

metallic

Answer

colavent

Question 2

What best explains how a metal can be both malleable and ductile?

Accepted Answer

The freely moving electrons shield the positive nucleus allowing the metal to deform without breaking.

Answer

The freely moving protons shield the nucleus allowing the metal to deform without breaking.

Answer

The fixed electrons shield the positive nucleus allowing the metal to deform without breaking.

Answer

The transferred electrons from the nucleus allows the metal to deform without breaking.

Question 3

What does the "sea of electrons" refer to about the structure  of metals?

Accepted Answer

Electrons are delocalized and are free to move from one nucleus to another.

Answer

Protons are delocalized and are free to move from one nucleus to another.

Answer

Neutrons are delocalized and are free to move from one nucleus to another creating an isotope.

Answer

Electrons are fixed and unable to move from one nucleus to another.

Question 4

Which of the following would be a compound with ionic bonding?

Accepted Answer

CaCl$_2$

Answer

Br$_2$

Answer

CO$_2$

Answer

Mg

Question 5

Which of the following would be a compound with polar covalent bonding?

Accepted Answer

NH$_3$

Answer

NaCl

Answer

Cl$_2$

Answer

Ca

Question 6

Which of the following would be a compound with nonpolar covalent bonding?

Accepted Answer

H$_2$

Answer

CaO

Answer

Ag

Answer

MgCl$_2$

Question 7

Predict the type of bond that would occur between C and O?

Accepted Answer

polar covalent

Answer

nonpolar  covalent

Answer

ionic

Answer

metallic

Question 8

Predict the type of bond that would occur between O and O?

Accepted Answer

nonpolar covalent

Answer

polar covalent

Answer

metallic

Answer

ionic

Question 9

Predict the type of bond that would occur between Sr and Br?

Accepted Answer

ionic

Answer

nonpolar covalent

Answer

metallic

Answer

polar covalent

Question 10

Predict the type of bond that would occur between Zn and Cu?

Accepted Answer

metallic

Answer

nonpolar covalent

Answer

polar covalent

Answer

ionic

Question 11

If a large difference in electronegativities exist between exist two elements then a  _____ bond would be created.

Accepted Answer

ionic

Answer

polar covalent

Answer

metallic

Answer

nonpolar covalent

Question 12

If no difference in electronegativities exist between exist two elements then a  _____ bond would be created.

Accepted Answer

nonpolar covalent

Answer

polar covalent

Answer

ionic

Answer

metallic

Question 13

Compounds that are nonpolar covalent tend to be _____ at room temperature because they have _____ intermolecular forces of attaction.

Accepted Answer

gases, weak

Answer

solids, strong

Answer

gases, strong

Answer

liquids, medium

Question 14

Compounds that are ionic tend to be _____ at room temperature because they have _____ intermolecular forces of attaction.

Accepted Answer

solids, strong

Answer

solids,weak

Answer

liquids, medium

Answer

gases, strong

Question 15

If a compound has a low meting point then it would have _____ intermolecular forces

Accepted Answer

weak

Answer

strong

Answer

medium

Answer

positive

Question 16

What is the correct order (from lowest to highest) for the intermolecular forces found in the following types of compounds?

Accepted Answer

nonpolar covalent, polar covalent, ionic

Answer

nonpolar covalent, ionic, polar covalent

Answer

polar covalent, nonpolar covalent, ionic

Answer

ionic, polar covalent, nonpolar covalent

Question 17

A substance with a high viscosity would have _____ intermolecular forces.

Accepted Answer

strong

Answer

medium

Answer

very weak

Answer

weak

Question 18

What is the correct order (from lowest to highest) for the boiling points found in the following types of compounds?

Accepted Answer

nonpolar covalent, polar covalent, ionic

Answer

nonpolar covalent, ionic, polar covalent,

Answer

polar covalent, nonpolar covalent, ionic

Question 19

The phrase “like dissolves like” would mean which of the following is true?

Accepted Answer

polar compounds will dissolve ionic and polar compounds

Answer

nonpolar compounds will dissolve ionic and polar compounds

Answer

polar compounds will dissolve nonpolar compounds

Answer

nonpolar compounds will dissolve ionic compounds

Question 20

When chewing gum you  notice that the flavoring only lasts for about 10 minutes but the gum base lasts for over an hour. What is the best explanation  for why this happens.?

Accepted Answer

Human saliva is most water and dissolves  flavorings in the gum that are polar covalent and ionic.

Answer

Human saliva is most water and dissolves  flavorings in the gum that are nonpolar covalent and polar colvent.

Answer

Human saliva is most water and dissolves  flavorings in the gum that are nonpolar covalent and ionic.

Answer

Human saliva is most water and dissolves  flavorings in the gum that are nonpolar covalent and ionic.

Question 21

Group 1 metals bond with nonmetals or polyatomic ions.  Which statement below is correct?

Accepted Answer

Group 1 elements lose electrons to bond with nonmetals in group 15 in a 3:1 ratio.

Answer

Group 1 elements gain electrons to bond with nonmetals in group 17 in a 2:1 ratio

Answer

Group 1 elements gain electrons to bond with nonmetals in group 17 in a 1:2 ratio

Answer

Group 1 elements gain electrons to bond with nonmetals in group 15 in a 1:3 ratio.

Question 22

Which statement best describes how many chlorine atoms are needed when making aluminum chloride?

Accepted Answer

3 chlorine atoms are needed because each chlorine atom accepts one of aluminum's three valence electrons to obtain a full octet and makes chlorine a negatively charged anion.

Answer

3 chlorine atoms are needed because each chlorine atom accepts one of aluminum's three valence electrons to obtain a full octet and makes chlorine a positively charged anion.

Answer

1 chlorine atom is needed because chlorine accepts one electron from aluminum to obtain a full octet and makes chlorine a negatively charged anion.

Answer

1 chlorine atom is needed because chlorine accepts one electron from aluminum to obtain a full octet and makes chlorine a positively charged anion.

Question 23

A small amount of table salt (NaCl) is add to a beaker of vinegar(CH₃COOH) and a beaker of olive oil(‎CH$_3$(CH$_2$)nCOOH).  What would be the best explaination why the salt dissolves in the vinegar but not the olive oil?

Accepted Answer

Vinegar must be polar covalent and olive oil must be nonpolar covalent

Answer

Vinegar must be nonpolar covalent and olive oil must be polar covalent

Answer

Vinegar must be ionic and olive oil must be polar covalent

Answer

Both vinegar and olive oil must be polar covalent

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