Unit 1: Atoms Test

Unit 1: Atoms Test

Assessment

Flashcard

Science

9th - 12th Grade

Hard

Created by

Wayground Content

FREE Resource

Student preview

quiz-placeholder

15 questions

Show all answers

1.

FLASHCARD QUESTION

Front

What is an ion?

Back

An ion is an atom or molecule that has a net electrical charge due to the loss or gain of one or more electrons.

2.

FLASHCARD QUESTION

Front

What charge does an ion with 11 protons and 10 electrons have?

Back

1+ (It has one more proton than electrons, resulting in a positive charge.)

3.

FLASHCARD QUESTION

Front

How many protons are in an atom of chlorine?

Back

17 protons.

4.

FLASHCARD QUESTION

Front

What is the Bohr model?

Back

The Bohr model is a diagram of an atom that shows electrons orbiting the nucleus in defined paths or energy levels.

5.

FLASHCARD QUESTION

Front

What is the correct Bohr model for oxygen?

Back

Model 2 (Oxygen has 8 electrons: 2 in the first shell and 6 in the second shell.)

6.

FLASHCARD QUESTION

Front

What is the mass number of an atom?

Back

The mass number is the total number of protons and neutrons in an atom's nucleus.

7.

FLASHCARD QUESTION

Front

How do you calculate the mass number of an atom with 11 protons, 10 electrons, and 13 neutrons?

Back

Mass number = Protons + Neutrons = 11 + 13 = 24.

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?