Chemistry Flashcard

Chemistry Flashcard

Assessment

Flashcard

Science

7th Grade

Hard

Created by

Wayground Content

FREE Resource

Student preview

quiz-placeholder

15 questions

Show all answers

1.

FLASHCARD QUESTION

Front

What is a chemical change?

Back

A chemical change is a process where substances combine or break apart to form new substances, often accompanied by energy changes, such as temperature increase.

2.

FLASHCARD QUESTION

Front

What is a physical change?

Back

A physical change is a change that affects one or more physical properties of a substance without altering its chemical composition.

3.

FLASHCARD QUESTION

Front

What is a compound?

Back

A compound is a substance formed when two or more elements chemically bond together in fixed proportions.

4.

FLASHCARD QUESTION

Front

What is the formula for potassium sulfate?

Back

The formula for potassium sulfate is K₂(SO₄)₂.

5.

FLASHCARD QUESTION

Front

How many atoms are in one formula unit of magnesium hydroxide, Mg(OH)₂?

Back

There are 5 atoms in one formula unit of magnesium hydroxide (1 magnesium, 2 oxygen, and 2 hydrogen).

6.

FLASHCARD QUESTION

Front

What are metals?

Back

Metals are elements that are typically shiny, good conductors of heat and electricity, and malleable.

7.

FLASHCARD QUESTION

Front

What are nonmetals?

Back

Nonmetals are elements that lack the characteristics of metals, often being poor conductors and brittle in solid form.

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?