Question 1

A neutral atom of the isotope phosphorus-32 contains 15 protons, 17 neutrons, and 15 electrons.

Accepted Answer

A) True 
 B)False

Question 2

Two isotopes of the same element differ only in the number of neutrons found in the nucleus.

Accepted Answer

A) True 
 B)False

Question 3

What is the relative charge on a neutron, proton, and electron?

Accepted Answer

A)  0, -1, +1 
B)  0, 0, -1 
C)  0, +1, -1 
D)  -1, +1, -1 
A)  0, -1, +1 
B)  0, 0, -1 
C)  0, +1, -1 
D)  -1, +1, -1

Question 4

How many protons does the nucleus of the sulfur-35 isotope have?

Accepted Answer

A)  16 
B)  19 
C)  32 
D)  35 
A)  16 
B)  19 
C)  32 
D)  35

Question 5

Tritium is an isotope of carbon.

Accepted Answer

A) True 
 B)False

Question 6

Which of the following is a metal?

Accepted Answer

A)  Xe 
B)  C 
C)  As 
D)  W 
A)  Xe 
B)  C 
C)  As 
D)  W

Question 7

The oxygen-17 (-2) isotopic anion contains more electrons than either protons or neutrons.

Accepted Answer

A) True 
 B)False

Question 8

An atomic mass unit, also known as amu, is equal to ________ the mass of a 12C atom.

Accepted Answer

A)  1/2 
B)  1/12 
C)  1/6 
D)  1/1840 
A)  1/2 
B)  1/12 
C)  1/6 
D)  1/1840

A neutral atom of the isotope phosphorus-32 contains 15 protons, 17 neutrons, and 15 electrons.

Two isotopes of the same element differ only in the number of neutrons found in the nucleus.

What is the relative charge on a neutron, proton, and electron?

How many protons does the nucleus of the sulfur-35 isotope have?

Tritium is an isotope of carbon.

Which of the following is a metal?

The oxygen-17 (-2) isotopic anion contains more electrons than either protons or neutrons.

An atomic mass unit, also known as amu, is equal to ________ the mass of a ¹²C atom.

What Is Chemistry

The Numerical Side of Chemistry

The Modern Model of the Atom

Chemical Bonding and Nomenclature

The Shape of Molecules

Intermolecular Forces and the Phases of Matter

Chemical Reactions

Stoichiometry and the Mole

Electron Transfer in Chemical Reactions

What If There Were No Intermolecular Forces - the Ideal Gas

Solutions

When Reactants Turn Into Products

Chemical Equilibrium

Electrolytes, Acids, and Bases

Nuclear Chemistry

The Chemistry of Carbon

Synthetic and Biological Polymers

Filters

Exam 3: The Evolution of Atomic Theory

A neutral atom of the isotope phosphorus-32 contains 15 protons, 17 neutrons, and 15 electrons.

Two isotopes of the same element differ only in the number of neutrons found in the nucleus.

What is the relative charge on a neutron, proton, and electron?

How many protons does the nucleus of the sulfur-35 isotope have?

Tritium is an isotope of carbon.

Which of the following is a metal?

The oxygen-17 (-2) isotopic anion contains more electrons than either protons or neutrons.

An atomic mass unit, also known as amu, is equal to ________ the mass of a 12C atom.

What Is Chemistry

The Numerical Side of Chemistry

The Modern Model of the Atom

Chemical Bonding and Nomenclature

The Shape of Molecules

Intermolecular Forces and the Phases of Matter

Chemical Reactions

Stoichiometry and the Mole

Electron Transfer in Chemical Reactions

What If There Were No Intermolecular Forces - the Ideal Gas

Solutions

When Reactants Turn Into Products

Chemical Equilibrium

Electrolytes, Acids, and Bases

Nuclear Chemistry

The Chemistry of Carbon

Synthetic and Biological Polymers

Filters

An atomic mass unit, also known as amu, is equal to ________ the mass of a ¹²C atom.