Question 1

In a covalently bonded molecule,the number of electrons that an atom shares with others is usually equal to the number of electrons ________.

Accepted Answer

A) in the atom 
B) in its nucleus 
C) in all the atoms 
D) in its ion 
E) needed to give it a noble gas arrangement 
A) in the atom 
B) in its nucleus 
C) in all the atoms 
D) in its ion 
E) needed to give it a noble gas arrangement

Question 2

H2O has a double bond.

Accepted Answer

A) True 
 B)False

Question 3

The name of the compound AlCl3 is aluminum trichloride.

Accepted Answer

A) True 
 B)False

Question 4

The carbon tetrachloride molecule,CC   ,is ________.

Accepted Answer

A) a polar molecule with polar bonds 
B) a nonpolar molecule with polar bonds 
C) a nonpolar molecule with nonpolar bonds 
D) a polar molecule with nonpolar bonds 
E) a polar molecule with ionic bonds 
A) a polar molecule with polar bonds 
B) a nonpolar molecule with polar bonds 
C) a nonpolar molecule with nonpolar bonds 
D) a polar molecule with nonpolar bonds 
E) a polar molecule with ionic bonds

Question 5

The molecule CO2 is linear.

Accepted Answer

A) True 
 B)False

Question 6

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

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 7

A nonpolar molecule can have polar bonds.

Accepted Answer

A) True 
 B)False

Question 8

A polar covalent bond is found in which of these compounds?

Accepted Answer

A)    O 
B)    
C) NaCl 
D)    
E)    
A)    O 
B)    
C) NaCl 
D)    
E)

Question 9

When Al3+ and Br- combine,the formula of the product is Al3Br.

Accepted Answer

A) True 
 B)False

Question 10

The formula for hydroxide is OH-.

Accepted Answer

A) True 
 B)False

Question 11

The molecule SCl2 is linear.

Accepted Answer

A) True 
 B)False

Question 12

The bond between H and O is polar covalent.

Accepted Answer

A) True 
 B)False

Question 13

Which of the following compounds contains a polar covalent bond?

Accepted Answer

A) NaF 
B) HCl 
C)    
D) MgO 
E)    
A) NaF 
B) HCl 
C)    
D) MgO 
E)

Question 14

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

Accepted Answer

A) lose 1 
B) gain 5 
C) lose 2 
D) lose 3 
E) gain 1 
A) lose 1 
B) gain 5 
C) lose 2 
D) lose 3 
E) gain 1

Question 15

The molecule CO2 has ________ valence electrons.

Accepted Answer

A) 4 
B) 6 
C) 12 
D) 16 
E) 24 
A) 4 
B) 6 
C) 12 
D) 16 
E) 24

Question 16

The compound   is named ________.

Accepted Answer

A) magnesium chlorine 
B) magnesium dichloride 
C) magnesium(II)chloride 
D) magnesium chloride 
E) dimagnesium chloride 
A) magnesium chlorine 
B) magnesium dichloride 
C) magnesium(II)chloride 
D) magnesium chloride 
E) dimagnesium chloride

Question 17

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

Accepted Answer

A) F+ 
B) F- 
C) Ar+ 
D) K- 
E) K+ 
A) F+ 
B) F- 
C) Ar+ 
D) K- 
E) K+

Question 18

The shape of the ammonia molecule (NH3)is ________.

Accepted Answer

A) linear 
B) trigonal planar 
C) trigonal pyramidal 
D) tetrahedral 
E) bent (109°) 
A) linear 
B) trigonal planar 
C) trigonal pyramidal 
D) tetrahedral 
E) bent (109°)

Question 19

Identify each of the following compounds as covalent or ionic.
-nitrogen trichloride

Accepted Answer

The answer of Identify each of the following compounds as...

Question 20

The shape of the water molecule (H2O)is ________.

Accepted Answer

A) linear 
B) tetrahedral 
C) trigonal pyramidal 
D) bent (109°) 
E) trigonal planar 
A) linear 
B) tetrahedral 
C) trigonal pyramidal 
D) bent (109°) 
E) trigonal planar

In a covalently bonded molecule,the number of electrons that an atom shares with others is usually equal to the number of electrons ________.

H2O has a double bond.

The name of the compound AlCl3 is aluminum trichloride.

The carbon tetrachloride molecule,CC ,is ________.

The molecule CO2 is linear.

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

A nonpolar molecule can have polar bonds.

A polar covalent bond is found in which of these compounds?

When Al3+ and Br- combine,the formula of the product is Al3Br.

The formula for hydroxide is OH-.

The molecule SCl2 is linear.

The bond between H and O is polar covalent.

Which of the following compounds contains a polar covalent bond?

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

The molecule CO2 has ________ valence electrons.

The compound is named ________.

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

The shape of the ammonia molecule (NH3)is ________.

Identify each of the following compounds as covalent or ionic. -nitrogen trichloride

The shape of the water molecule (H2O)is ________.

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Exam 6: Ionic and Molecular Compounds

In a covalently bonded molecule,the number of electrons that an atom shares with others is usually equal to the number of electrons ________.

H2O has a double bond.

The name of the compound AlCl3 is aluminum trichloride.

The carbon tetrachloride molecule,CC ,is ________.

The molecule CO2 is linear.

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

A nonpolar molecule can have polar bonds.

A polar covalent bond is found in which of these compounds?

When Al3+ and Br- combine,the formula of the product is Al3Br.

The formula for hydroxide is OH-.

The molecule SCl2 is linear.

The bond between H and O is polar covalent.

Which of the following compounds contains a polar covalent bond?

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

The molecule CO2 has ________ valence electrons.

The compound is named ________.

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

The shape of the ammonia molecule (NH3)is ________.

Identify each of the following compounds as covalent or ionic. -nitrogen trichloride

The shape of the water molecule (H2O)is ________.

Chemistry in Our Lives

Chemistry and Measurement

Matter and Energy

Atoms and Elements

Nuclear Chemistry

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

Filters