What does the atomic number of an element represent?

Exploring Isotopes and Atomic Mass Calculations

Interactive Video
•
Chemistry
•
6th - 10th Grade
•
Easy

Lucas Foster
Used 1+ times
FREE Resource
Read more
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The mass number
The number of neutrons
The number of electrons
The number of protons
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you determine the number of neutrons in an isotope?
Divide the mass number by the atomic number
Multiply the atomic number by the mass number
Subtract the atomic number from the mass number
Add the atomic number and mass number
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the name of the isotope with 38 protons and a mass number of 95?
Plutonium-95
Strontium-95
Strontium-38
Xenon-95
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which isotope of hydrogen has one proton and no neutrons?
Protium
Deuterium
Tritium
Hydrogen-2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What percentage of hydrogen atoms are deuterium?
1%
0.011%
99.989%
0.1%
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do isotopes of the same element differ?
Chemical properties
Number of protons
Number of electrons
Number of neutrons
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the average atomic mass of an element calculated?
By adding the masses of all isotopes
By subtracting the mass of the lightest isotope from the heaviest
By taking the weighted average of all isotopes' masses
By taking the simple average of all isotopes' masses
Create a free account and access millions of resources
Similar Resources on Quizizz
11 questions
Calculating Formula and Molar Mass of Compounds

Interactive video
•
6th - 10th Grade
11 questions
Calculating Average Atomic Mass

Interactive video
•
6th - 10th Grade
11 questions
Mole Conversions and Molar Mass Calculation

Interactive video
•
6th - 10th Grade
11 questions
Exploring Atomic Structure and Subatomic Particles

Interactive video
•
6th - 10th Grade
11 questions
Exploring Isotopes and Average Atomic Mass

Interactive video
•
6th - 10th Grade
11 questions
Percent Composition from Chemical Formulas

Interactive video
•
6th - 10th Grade
11 questions
Exploring Atomic Structure and Isotopes

Interactive video
•
6th - 10th Grade
Popular Resources on Quizizz
15 questions
Multiplication Facts

Quiz
•
4th Grade
25 questions
SS Combined Advisory Quiz

Quiz
•
6th - 8th Grade
40 questions
Week 4 Student In Class Practice Set

Quiz
•
9th - 12th Grade
40 questions
SOL: ILE DNA Tech, Gen, Evol 2025

Quiz
•
9th - 12th Grade
20 questions
NC Universities (R2H)

Quiz
•
9th - 12th Grade
15 questions
June Review Quiz

Quiz
•
Professional Development
20 questions
Congruent and Similar Triangles

Quiz
•
8th Grade
25 questions
Triangle Inequalities

Quiz
•
10th - 12th Grade
Discover more resources for Chemistry
25 questions
SS Combined Advisory Quiz

Quiz
•
6th - 8th Grade
40 questions
Week 4 Student In Class Practice Set

Quiz
•
9th - 12th Grade
40 questions
SOL: ILE DNA Tech, Gen, Evol 2025

Quiz
•
9th - 12th Grade
20 questions
NC Universities (R2H)

Quiz
•
9th - 12th Grade
20 questions
Congruent and Similar Triangles

Quiz
•
8th Grade
25 questions
Triangle Inequalities

Quiz
•
10th - 12th Grade
14 questions
Exterior and Interior angles of Polygons

Quiz
•
8th Grade
46 questions
Biology Semester 1 Review

Quiz
•
10th Grade