What is Average Atomic Mass?
Average Atomic Mass

Flashcard
•
Chemistry
•
10th Grade
•
Hard
Quizizz Content
FREE Resource
Student preview

15 questions
Show all answers
1.
FLASHCARD QUESTION
Front
Back
The weighted average of the masses of an element's isotopes, taking into account their relative abundances.
2.
FLASHCARD QUESTION
Front
How do you calculate Average Atomic Mass?
Back
Average Atomic Mass = (fraction of isotope 1 * mass of isotope 1) + (fraction of isotope 2 * mass of isotope 2) + ...
3.
FLASHCARD QUESTION
Front
What is an isotope?
Back
Atoms of the same element that have the same number of protons but different numbers of neutrons, resulting in different masses.
4.
FLASHCARD QUESTION
Front
What is the significance of atomic mass units (amu)?
Back
Atomic mass units are a standard unit of mass that quantifies mass on an atomic or molecular scale.
5.
FLASHCARD QUESTION
Front
If 50% of an element has a mass of 10 amu and 50% has a mass of 20 amu, what is the average atomic mass?
Back
Average Atomic Mass = (0.5 * 10) + (0.5 * 20) = 15 amu.
6.
FLASHCARD QUESTION
Front
What does it mean if two atoms are isotopes of each other?
Back
They have the same number of protons but different numbers of neutrons.
7.
FLASHCARD QUESTION
Front
What is the average atomic mass of an element with isotopes of 75.23 amu (24.1%), 74.61 amu (48.7%), and 75.20 amu (27.2%)?
Back
74.92 amu.
Create a free account and access millions of resources
Similar Resources on Quizizz
15 questions
Isotopes & Average Atomic Mass

Flashcard
•
10th Grade
15 questions
12-4 Isotopes & Average Atomic Mass

Flashcard
•
10th Grade
13 questions
Isotopes/structure of an atom

Flashcard
•
10th Grade
10 questions
Calculate Average Atomic Mass

Flashcard
•
10th Grade
14 questions
Calculate Average Atomic Mass

Flashcard
•
10th Grade
15 questions
Unit 1 - Atomic Theory - Chemistry Final Exam Review

Flashcard
•
10th Grade
15 questions
Isotopes and Calculating Atomic Mass

Flashcard
•
10th Grade
15 questions
Average Atomic Mass

Flashcard
•
10th Grade
Popular Resources on Quizizz
15 questions
Multiplication Facts

Quiz
•
4th Grade
20 questions
Math Review - Grade 6

Quiz
•
6th Grade
20 questions
math review

Quiz
•
4th Grade
5 questions
capitalization in sentences

Quiz
•
5th - 8th Grade
10 questions
Juneteenth History and Significance

Interactive video
•
5th - 8th Grade
15 questions
Adding and Subtracting Fractions

Quiz
•
5th Grade
10 questions
R2H Day One Internship Expectation Review Guidelines

Quiz
•
Professional Development
12 questions
Dividing Fractions

Quiz
•
6th Grade
Discover more resources for Chemistry
25 questions
Spanish preterite verbs (irregular/changed)

Quiz
•
9th - 10th Grade
10 questions
Juneteenth: History and Significance

Interactive video
•
7th - 12th Grade
8 questions
"Keeping the City of Venice Afloat" - STAAR Bootcamp, Day 1

Quiz
•
9th - 12th Grade
20 questions
Distance, Midpoint, and Slope

Quiz
•
10th Grade
20 questions
Figurative Language Review

Quiz
•
10th Grade
20 questions
Understanding Linear Equations and Slopes

Quiz
•
9th - 12th Grade