Question 1

Cr is a member of which family?

Accepted Answer

A) noble gases 
B) halogens 
C) alkaline earth metals 
D) alkali metals 
E) none of the above 
A) noble gases 
B) halogens 
C) alkaline earth metals 
D) alkali metals 
E) none of the above

Question 2

Which of the following statements about atoms is FALSE?

Accepted Answer

A) Atoms compose all matter. 
B) Atoms are responsible for the sensation of smell. 
C) Atoms are the basic building block of nature. 
D) An atom is the smallest identifiable unit of an element. 
E) All of the above statements are true. 
A) Atoms compose all matter. 
B) Atoms are responsible for the sensation of smell. 
C) Atoms are the basic building block of nature. 
D) An atom is the smallest identifiable unit of an element. 
E) All of the above statements are true.

Question 3

Chlorine has two stable isotopes,Cl-35 and Cl-37.If their exact masses are 34.9689 amu and 36.9695 amu,respectively,what is the natural abundance of Cl-35? (The atomic mass of chlorine is 35.45 amu.)

Accepted Answer

A) 75.95% 
B) 24.05% 
C) 50.00% 
D) 35.00% 
E) 37.00% 
A) 75.95% 
B) 24.05% 
C) 50.00% 
D) 35.00% 
E) 37.00%

Question 4

The elemental symbol for manganese is Mg.

Accepted Answer

A) True 
 B)False

Question 5

Which of the following elements has an atomic number of 4?

Accepted Answer

A) H 
B) C 
C) He 
D) Be 
E) none of the above 
A) H 
B) C 
C) He 
D) Be 
E) none of the above

Question 6

An element is discovered that is a solid,has one valence electron,and readily forms a 1+ ion.This element would be correctly classified as a nonmetal.

Accepted Answer

A) True 
 B)False

Question 7

Which of the following statements about ions is INCORRECT?

Accepted Answer

A) Cations are positive ions and anions are negative ions. 
B) Cations are formed when an atom loses electrons. 
C) Anions are formed when an atom gains electrons. 
D) Cations always have the same number of protons as electrons. 
E) All statements are correct. 
A) Cations are positive ions and anions are negative ions. 
B) Cations are formed when an atom loses electrons. 
C) Anions are formed when an atom gains electrons. 
D) Cations always have the same number of protons as electrons. 
E) All statements are correct.

Question 8

Xe is a member of which family?

Accepted Answer

A) noble gases 
B) halogens 
C) alkaline earth metals 
D) alkali metals 
E) none of the above 
A) noble gases 
B) halogens 
C) alkaline earth metals 
D) alkali metals 
E) none of the above

Question 9

The number of protons in an atom's nucleus defines the element.

Accepted Answer

A) True 
 B)False

Question 10

You can continually divide matter into smaller and smaller pieces without ever coming to an end.

Accepted Answer

A) True 
 B)False

Question 11

Mendeleev's early periodic table predicted the existence of elements that had yet to be discovered.

Accepted Answer

A) True 
 B)False

Question 12

The names of the elements whose symbols are Si,P,Mn,and S are respectively:

Accepted Answer

A) silicon,potassium,magnesium,and sulfur. 
B) silver,phosphorus,magnesium,and sulfur. 
C) silicon,phosphorus,manganese,and sulfur. 
D) silicon,phosphorus,magnesium,and sulfur. 
E) silicon,potassium,magnesium,and sodium. 
A) silicon,potassium,magnesium,and sulfur. 
B) silver,phosphorus,magnesium,and sulfur. 
C) silicon,phosphorus,manganese,and sulfur. 
D) silicon,phosphorus,magnesium,and sulfur. 
E) silicon,potassium,magnesium,and sodium.

Question 13

The elements within a group on the periodic table tend to have similar properties.

Accepted Answer

A) True 
 B)False

Question 14

Mg is a member of which family?

Accepted Answer

A) noble gases 
B) halogens 
C) alkaline earth metals 
D) alkali metals 
E) none of the above 
A) noble gases 
B) halogens 
C) alkaline earth metals 
D) alkali metals 
E) none of the above

Question 15

Metals are located where on the periodic table?

Accepted Answer

A) left side 
B) right side 
C) middle 
D) zig-zag diagonal line 
E) none of the above 
A) left side 
B) right side 
C) middle 
D) zig-zag diagonal line 
E) none of the above

Question 16

Metals are located on the left side of the periodic table.

Accepted Answer

A) True 
 B)False

Question 17

How many neutrons are present in Ne-22?

Accepted Answer

A) 12 
B) 10 
C) 22 
D) 32 
E) none of the above 
A) 12 
B) 10 
C) 22 
D) 32 
E) none of the above

Question 18

The mass of a proton is exactly the same as the mass of a neutron.

Accepted Answer

A) True 
 B)False

Question 19

What is the mass number of the hydrogen isotope that contains 2 neutrons?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
E) none of the above 
A) 1 
B) 2 
C) 3 
D) 4 
E) none of the above

Question 20

Group 1A elements are also called:

Accepted Answer

A) noble gases. 
B) halogens. 
C) alkaline earth metals. 
D) alkali metals. 
E) none of the above 
A) noble gases. 
B) halogens. 
C) alkaline earth metals. 
D) alkali metals. 
E) none of the above

Cr is a member of which family?

Which of the following statements about atoms is FALSE?

Chlorine has two stable isotopes,Cl-35 and Cl-37.If their exact masses are 34.9689 amu and 36.9695 amu,respectively,what is the natural abundance of Cl-35? (The atomic mass of chlorine is 35.45 amu.)

The elemental symbol for manganese is Mg.

Which of the following elements has an atomic number of 4?

An element is discovered that is a solid,has one valence electron,and readily forms a 1+ ion.This element would be correctly classified as a nonmetal.

Which of the following statements about ions is INCORRECT?

Xe is a member of which family?

The number of protons in an atom's nucleus defines the element.

You can continually divide matter into smaller and smaller pieces without ever coming to an end.

Mendeleev's early periodic table predicted the existence of elements that had yet to be discovered.

The names of the elements whose symbols are Si,P,Mn,and S are respectively:

The elements within a group on the periodic table tend to have similar properties.

Mg is a member of which family?

Metals are located where on the periodic table?

Metals are located on the left side of the periodic table.

How many neutrons are present in Ne-22?

The mass of a proton is exactly the same as the mass of a neutron.

What is the mass number of the hydrogen isotope that contains 2 neutrons?

Group 1A elements are also called:

The Chemical World

Measurement and Problem Solving

Matter and Energy

Molecules and Compounds

Chemical Composition

Chemical Reactions

Quantities in Chemical Reactions

Electrons in Atoms and the Periodic Table

Chemical Bonding

Gases

Liquids, solids, and Intermolecular Forces

Solutions

Acids and Bases

Chemical Equilibrium

Oxidation and Reduction

Radioactivity and Nuclear Chemistry

Organic Chemistry

Biochemistry

Filters

Exam 4: Atoms and Elements

Cr is a member of which family?

Which of the following statements about atoms is FALSE?

Chlorine has two stable isotopes,Cl-35 and Cl-37.If their exact masses are 34.9689 amu and 36.9695 amu,respectively,what is the natural abundance of Cl-35? (The atomic mass of chlorine is 35.45 amu.)

The elemental symbol for manganese is Mg.

Which of the following elements has an atomic number of 4?

An element is discovered that is a solid,has one valence electron,and readily forms a 1+ ion.This element would be correctly classified as a nonmetal.

Which of the following statements about ions is INCORRECT?

Xe is a member of which family?

The number of protons in an atom's nucleus defines the element.

You can continually divide matter into smaller and smaller pieces without ever coming to an end.

Mendeleev's early periodic table predicted the existence of elements that had yet to be discovered.

The names of the elements whose symbols are Si,P,Mn,and S are respectively:

The elements within a group on the periodic table tend to have similar properties.

Mg is a member of which family?

Metals are located where on the periodic table?

Metals are located on the left side of the periodic table.

How many neutrons are present in Ne-22?

The mass of a proton is exactly the same as the mass of a neutron.

What is the mass number of the hydrogen isotope that contains 2 neutrons?

Group 1A elements are also called:

The Chemical World

Measurement and Problem Solving

Matter and Energy

Molecules and Compounds

Chemical Composition

Chemical Reactions

Quantities in Chemical Reactions

Electrons in Atoms and the Periodic Table

Chemical Bonding

Gases

Liquids, solids, and Intermolecular Forces

Solutions

Acids and Bases

Chemical Equilibrium

Oxidation and Reduction

Radioactivity and Nuclear Chemistry

Organic Chemistry

Biochemistry

Filters