WEDNESDAY Practive

WEDNESDAY Practive

Assessment

Flashcard

Chemistry

12th Grade

Hard

Created by

Quizizz Content

FREE Resource

Student preview

quiz-placeholder

15 questions

Show all answers

1.

FLASHCARD QUESTION

Front

What is the half-life of a substance?

Back

The half-life of a substance is the time required for half of the substance to decay or be eliminated from a system.

2.

FLASHCARD QUESTION

Front

If 10 mg of iodine-131 is given to a patient, how much is left after 24 days? (Half-life = 8 days)

Back

1.25 mg

3.

FLASHCARD QUESTION

Front

Convert 5.6 kg to grams.

Back

5600 g

4.

FLASHCARD QUESTION

Front

What two types of measurements make up density?

Back

Mass and Volume

5.

FLASHCARD QUESTION

Front

Calculate the density of a rock with a mass of 14g and a volume of 2cm³.

Back

7 g/cm³

6.

FLASHCARD QUESTION

Front

What is the area of the atom where protons and neutrons are found?

Back

Nucleus

7.

FLASHCARD QUESTION

Front

Define density in terms of mass and volume.

Back

Density is defined as mass per unit volume, typically expressed in g/cm³.

Create a free account and access millions of resources

Create resources
Host any resource
Get auto-graded reports
or continue with
Microsoft
Apple
Others
By signing up, you agree to our Terms of Service & Privacy Policy
Already have an account?