
Exploring Atomic Structure and Isotopes
Quiz
•
Chemistry
•
11th Grade
•
Practice Problem
•
Easy
Elizabeth McCullough
Used 1+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the three main subatomic particles in an atom?
Protons, Photons, Neutrons
Protons, Neutrons, Electrons
Protons, Neutrons, Quarks
Electrons, Neutrons, Positrons
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the relative mass of a proton compared to a neutron?
The relative mass of a proton compared to a neutron is approximately 1:1.
The relative mass of a proton is 1:2 compared to a neutron.
The relative mass of a proton is twice that of a neutron.
The relative mass of a proton is half that of a neutron.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the charge of an electron?
0 coulombs
-1.602 x 10^-19 coulombs
-1 coulombs
+1.602 x 10^-19 coulombs
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Define atomic (proton) number.
The atomic (proton) number is the number of protons in the nucleus of an atom.
The atomic number is the total number of electrons in an atom.
The atomic number is the mass of an atom measured in atomic mass units.
The atomic number is the number of neutrons in the nucleus of an atom.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does mass number represent in an atom?
The mass number indicates the atomic charge of an atom.
The mass number represents the total number of protons and neutrons in an atom.
The mass number represents the total number of protons only.
The mass number is the number of electrons in an atom.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you calculate the number of neutrons in an atom?
Neutrons = Atomic Number - Atomic Mass Number
Neutrons = Atomic Number + Atomic Mass Number
Neutrons = Atomic Mass Number / Atomic Number
Neutrons = Atomic Mass Number - Atomic Number
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is an isotope?
An isotope is a variant of an element with the same number of protons but different numbers of neutrons.
An isotope is a particle that has no protons or neutrons.
An isotope is a type of molecule that contains only one neutron.
An isotope is an element with different numbers of protons and neutrons.
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