Unit 2 Review

Unit 2 Review

8th Grade

112 Qs

quiz-placeholder

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Unit 2 Review

Unit 2 Review

Assessment

Quiz

Science

8th Grade

Medium

Created by

ERIN VALDEZ

Used 7+ times

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112 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

A model of a chemical compound is shown. What is the correct way to write the formula for this compound?

2HO

2H2O

H2O2

HO2

2.

FILL IN THE BLANK QUESTION

45 sec • 3 pts

In a chemical formula, ______________ is used to indicate the number of atoms of each element.

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Anything that has mass & takes up space

gravity
force
matter
volume

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Substances that form as the result of a chemical reaction

products
reactants
coefficients
subscripts

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Substances present at the start of a chemical reaction

subscripts
coefficients
reactants
products

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

2

3

5

6

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

The Law of Conservation of Mass says that matter can neither be __________ or __________.

created; destroyed

recycled; renewed

subtracted; added

joined; separated

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