Question 1

Group 4A and Group 14 are two different designations for the same column of the periodic table.

Accepted Answer

A) True 
 B)False

Question 2

Enter the chemical symbol of the element in the blank. Calcium forms the compound CaF2 . What other alkaline earth element with a smaller atomic mass would form a compound with a similar formula?
Chemical symbol:_____________________.

Accepted Answer

Question 3

What is the formula weight of ibuprofen, C13H18O2?

Accepted Answer

A)  29.0 g/mol 
B)  206.3 g/mol 
C)  289.4 g/mol 
D)  377.7 g/mol 
A)  29.0 g/mol 
B)  206.3 g/mol 
C)  289.4 g/mol 
D)  377.7 g/mol

Question 4

What is the mass of one mole of glucose, C6H12O6?

Accepted Answer

A)  29.02 amu 
B)  180.2 amu 
C)  29.02 g 
D)  180.2 g 
A)  29.02 amu 
B)  180.2 amu 
C)  29.02 g 
D)  180.2 g

Question 5

The elements sodium, potassium, and oxygen are considered to be "elements of life" and are in the category of electrolytes.

Accepted Answer

A) True 
 B)False

Question 6

Use one the following terms to complete the given statement.
 salt
sugar
vegetable oil
When ____________________ is added to water a heterogeneous mixture forms.

Accepted Answer

The answer of Use one the following terms to complete...

Question 7

An element is a shiny gray solid that can be pressed into a thin sheet. This element is probably a metalloid.

Accepted Answer

A) True 
 B)False

Question 8

Based on the text periodic table and using the correct number of significant figures, enter the appropriate number in the blank. The mass of 5.00 mol of oxygen atoms is _____________g.

Accepted Answer

The answer of Based on the text periodic table and...

Question 9

Which of the following is the correct unit for the formula weight of a large number of atoms?

Accepted Answer

A)  amu 
B)  g 
C)  mol 
D)  molecules 
A)  amu 
B)  g 
C)  mol 
D)  molecules

Question 10

Fill in each blank with the appropriate term from the list given below. 
protons
neutrons
electrons
valence electrons
-14N and 15N
have the same number of _____________________.

Accepted Answer

Question 11

Elements in the same period of the periodic table generally show similar chemical behavior.

Accepted Answer

A) True 
 B)False

Question 12

Which of the following correctly describes a proton on a subatomic scale?

Accepted Answer

A)  It is massive and has a +1 charge. 
B)  It is massive and has a -1 charge. 
C)  It has very small mass and a +1 charge. 
D)  It has a very small mass and a -1 charge. 
A)  It is massive and has a +1 charge. 
B)  It is massive and has a -1 charge. 
C)  It has very small mass and a +1 charge. 
D)  It has a very small mass and a -1 charge.

Question 13

An element has the following electron arrangement. shell 1: 2 electrons shell 2: 8 electrons shell 3: 18 electrons shell 4: 18 electrons shell 5: 7 electrons
The Lewis structure for this element would be:

Accepted Answer

A) True 
 B)False

Question 14

Enter an integer number (1, 2, 3, ...) in the blank. Sucrose (table sugar) has the formula C12H22O11. A sample of sucrose contains 2400 carbon atoms. How many formula units does this represent?
____________________formula units.

Accepted Answer

Question 15

A sealed cylinder is filled with a large collection of atoms that have 14 neutrons and 13 protons. Which of the following would behave in a manner similar to this collection of atoms?

Accepted Answer

A)  a group of atoms with 13 neutrons and 14 protons 
B)  a group of atoms with 14 neutrons and 15 protons 
C)  a group of atoms with 15 neutrons and 14 protons 
D)  a group of atoms with 15 neutrons and 13 protons 
A)  a group of atoms with 13 neutrons and 14 protons 
B)  a group of atoms with 14 neutrons and 15 protons 
C)  a group of atoms with 15 neutrons and 14 protons 
D)  a group of atoms with 15 neutrons and 13 protons

Question 16

An isotope of gallium consisting of 31 protons and 37 neutrons can be represented using the symbol shown below. gallium-37

Accepted Answer

A) True 
 B)False

Question 17

Enter an integer number (1, 2, 3, ...) in the blank. How many electrons are in shell 2 of a P atom?
____________________electrons

Accepted Answer

The answer of Enter an integer number (1, 2, 3,...

Group 4A and Group 14 are two different designations for the same column of the periodic table.

Enter the chemical symbol of the element in the blank. Calcium forms the compound CaF₂ . What other alkaline earth element with a smaller atomic mass would form a compound with a similar formula? Chemical symbol:_____________________.

What is the formula weight of ibuprofen, C₁₃H₁₈O₂?

What is the mass of one mole of glucose, C₆H₁₂O₆?

The elements sodium, potassium, and oxygen are considered to be "elements of life" and are in the category of electrolytes.

Use one the following terms to complete the given statement. salt sugar vegetable oil When ____________________ is added to water a heterogeneous mixture forms.

An element is a shiny gray solid that can be pressed into a thin sheet. This element is probably a metalloid.

Based on the text periodic table and using the correct number of significant figures, enter the appropriate number in the blank. The mass of 5.00 mol of oxygen atoms is _____________g.

Which of the following is the correct unit for the formula weight of a large number of atoms?

Fill in each blank with the appropriate term from the list given below. protons neutrons electrons valence electrons -¹⁴N and ¹⁵N have the same number of _____________________.

Elements in the same period of the periodic table generally show similar chemical behavior.

Which of the following correctly describes a proton on a subatomic scale?

An element has the following electron arrangement. shell 1: 2 electrons shell 2: 8 electrons shell 3: 18 electrons shell 4: 18 electrons shell 5: 7 electrons The Lewis structure for this element would be:

Enter an integer number (1, 2, 3, ...) in the blank. Sucrose (table sugar) has the formula C₁₂H₂₂O₁₁. A sample of sucrose contains 2400 carbon atoms. How many formula units does this represent? ____________________formula units.

A sealed cylinder is filled with a large collection of atoms that have 14 neutrons and 13 protons. Which of the following would behave in a manner similar to this collection of atoms?

An isotope of gallium consisting of 31 protons and 37 neutrons can be represented using the symbol shown below. gallium-37

Enter an integer number (1, 2, 3, ...) in the blank. How many electrons are in shell 2 of a P atom? ____________________electrons

Measurements in Science and Medicine

Chemical Bonds

Energy and Physical Properties

Solution Concentration

Chemical Reactions

Acids and Bases

Nuclear Chemistry

Hydrocarbons: an Introduction to Organic Molecules

Hydration, Dehydration, and Alcohols

Carbonyl Compounds and Redox Reactions

Organic Acids and Bases

Condensation and Hydrolysis Reactions

Proteins

Carbohydrates

Lipids and Membranes

Nucleic Acids, Protein Synthesis, and Heredity

Filters

Exam 2: Atoms, Elements, and Compounds

Group 4A and Group 14 are two different designations for the same column of the periodic table.

Enter the chemical symbol of the element in the blank. Calcium forms the compound CaF2 . What other alkaline earth element with a smaller atomic mass would form a compound with a similar formula? Chemical symbol:_____________________.

What is the formula weight of ibuprofen, C13H18O2?

What is the mass of one mole of glucose, C6H12O6?

The elements sodium, potassium, and oxygen are considered to be "elements of life" and are in the category of electrolytes.

Use one the following terms to complete the given statement. salt sugar vegetable oil When ____________________ is added to water a heterogeneous mixture forms.

An element is a shiny gray solid that can be pressed into a thin sheet. This element is probably a metalloid.

Based on the text periodic table and using the correct number of significant figures, enter the appropriate number in the blank. The mass of 5.00 mol of oxygen atoms is _____________g.

Which of the following is the correct unit for the formula weight of a large number of atoms?

Fill in each blank with the appropriate term from the list given below. protons neutrons electrons valence electrons -14N and 15N have the same number of _____________________.

Elements in the same period of the periodic table generally show similar chemical behavior.

Which of the following correctly describes a proton on a subatomic scale?

An element has the following electron arrangement. shell 1: 2 electrons shell 2: 8 electrons shell 3: 18 electrons shell 4: 18 electrons shell 5: 7 electrons The Lewis structure for this element would be:

Enter an integer number (1, 2, 3, ...) in the blank. Sucrose (table sugar) has the formula C12H22O11. A sample of sucrose contains 2400 carbon atoms. How many formula units does this represent? ____________________formula units.

A sealed cylinder is filled with a large collection of atoms that have 14 neutrons and 13 protons. Which of the following would behave in a manner similar to this collection of atoms?

An isotope of gallium consisting of 31 protons and 37 neutrons can be represented using the symbol shown below. gallium-37

Enter an integer number (1, 2, 3, ...) in the blank. How many electrons are in shell 2 of a P atom? ____________________electrons

Measurements in Science and Medicine

Chemical Bonds

Energy and Physical Properties

Solution Concentration

Chemical Reactions

Acids and Bases

Nuclear Chemistry

Hydrocarbons: an Introduction to Organic Molecules

Hydration, Dehydration, and Alcohols

Carbonyl Compounds and Redox Reactions

Organic Acids and Bases

Condensation and Hydrolysis Reactions

Proteins

Carbohydrates

Lipids and Membranes

Nucleic Acids, Protein Synthesis, and Heredity

Filters

Enter the chemical symbol of the element in the blank. Calcium forms the compound CaF₂ . What other alkaline earth element with a smaller atomic mass would form a compound with a similar formula? Chemical symbol:_____________________.

What is the formula weight of ibuprofen, C₁₃H₁₈O₂?

What is the mass of one mole of glucose, C₆H₁₂O₆?

Fill in each blank with the appropriate term from the list given below. protons neutrons electrons valence electrons -¹⁴N and ¹⁵N have the same number of _____________________.

Enter an integer number (1, 2, 3, ...) in the blank. Sucrose (table sugar) has the formula C₁₂H₂₂O₁₁. A sample of sucrose contains 2400 carbon atoms. How many formula units does this represent? ____________________formula units.