Isotopes

Isotopes

Assessment

Flashcard

Chemistry

9th Grade

Hard

Created by

Wayground Content

FREE Resource

Student preview

quiz-placeholder

16 questions

Show all answers

1.

FLASHCARD QUESTION

Front

Isotopes of the same element have the same number of ________ but a different number of _______.

Back

protons, neutrons

2.

FLASHCARD QUESTION

Front

An atom of an element with a different number of neutrons and therefore a different atomic mass is called an _______.

Back

Isotope

3.

FLASHCARD QUESTION

Front

An atom of phosphorus has an atomic number of 15 and a mass number of 31. How many neutrons does it contain?

Back

16

4.

FLASHCARD QUESTION

Front

_______ is the average mass of all the isotopes of an element.

Back

Atomic Mass

5.

FLASHCARD QUESTION

Front

The atomic number tells the number of ______ in an atom, which never changes.

Back

Protons

6.

FLASHCARD QUESTION

Front

What is the definition of an isotope?

Back

Isotopes are variants of a particular chemical element that have the same number of protons but different numbers of neutrons.

7.

FLASHCARD QUESTION

Front

How do isotopes of an element differ from each other?

Back

Isotopes differ in their mass number due to the different number of neutrons.

Create a free account and access millions of resources

Create resources

Host any resource

Get auto-graded reports

Google

Continue with Google

Email

Continue with Email

Classlink

Continue with Classlink

Clever

Continue with Clever

or continue with

Microsoft

Microsoft

Apple

Apple

Others

Others

By signing up, you agree to our Terms of Service & Privacy Policy

Already have an account?