What does the term 'respectively' mean in the context of isotope masses?

Calculating Atomic Mass: Practice Problems and Solutions

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

Lucas Foster
FREE Resource
Read more
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The first mass corresponds to the first isotope mentioned, and the second mass to the second isotope.
The masses are listed in reverse order.
The masses are not related to the isotopes mentioned.
The masses are averaged together.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the mass of Gallium 69?
68.926 amu
60.11 amu
69.72 amu
70.925 amu
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you express the percent abundance of Gallium 69 as a decimal?
0.6011
60.11
0.3989
39.89
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the average atomic mass of Gallium?
68.926 amu
70.925 amu
69.72 amu
60.11 amu
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which isotope of Rubidium is more abundant based on its atomic weight?
Rubidium 85
Rubidium 87
Cannot be determined
Both are equally abundant
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the atomic mass of Rubidium 85?
86.909 amu
85.47 amu
84.911 amu
87.000 amu
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is the atomic weight of Rubidium closer to 85.47 amu?
Because the atomic weight is an average of 85 and 87
Because Rubidium 85 is more abundant
Because Rubidium 87 is more abundant
Because both isotopes are equally abundant
Create a free account and access millions of resources
Similar Resources on Quizizz
11 questions
Exploring the Structure of an Atom

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

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

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

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

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

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