Chemistry

Chemistry

7th Grade

21 Qs

quiz-placeholder

Similar activities

Ch 2 Test M&E

Ch 2 Test M&E

6th - 8th Grade

25 Qs

1st Six Weeks Test (7th) Review

1st Six Weeks Test (7th) Review

7th Grade

18 Qs

5th Unit 2 Lesson 1-2 Review

5th Unit 2 Lesson 1-2 Review

5th Grade - University

20 Qs

Chemistry Review

Chemistry Review

7th Grade

23 Qs

Atomic Structure Quiz

Atomic Structure Quiz

7th Grade

25 Qs

Chemical Properties Quiz

Chemical Properties Quiz

6th - 8th Grade

16 Qs

Financial Literacy Exam Review

Financial Literacy Exam Review

6th - 8th Grade

20 Qs

Chemistry

Chemistry

Assessment

Quiz

others

7th Grade

Medium

Created by

Brittany Franzo

Used 6+ times

FREE Resource

21 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

The idea of arranging the elements in the periodic table according to their chemical and physical properties is attributed to
a. Mendeleev
b. Moseley
c. Bohr
d. Ramsay

2.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

Which change results in the formation of different substances?
burning of propane
solidification of water
melting of NaCl(s)
freezing of CO2(g)

3.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

What is the difference between the substances represented by the symbols Co and CO?
❍ A They are two different ways to represent the element cobalt.
❍ B One is the symbol for an element, and one is a formula for a compound.
❍ C Co represents the element cobalt, and CO represents the element copper.
❍ D They represent two substances, each made up of two elements

4.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

Orange juice is classified as a -
Compound because the composition of its atoms is fixed.
Compound because the composition of its atoms can vary.
Mixture because the composition of its components is fixed.
Mixture because the composition of its components can vary.

5.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

Predict the missing product CH4 + O2 → ________ + H20
C2
H2
CO2
CH2

6.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

What was Mendeleyev’s purpose for reorganizing the periodic table?
❍ A He wanted to fit all the elements on one page instead of in a long line.
❍ B He wanted to put elements with similar characteristics in the same column.
❍ C He wanted to order the elements from the lightest to the heaviest.
❍ D He wanted to put all the metals on one side of the table and gases on the other

7.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

Which property is not a physical property?
Mass
Volume
Flammability
Shape

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?