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Chemical equations and reactions

Authored by Mckenzie Cochennet

Science

8th Grade

NGSS covered

Used 14+ times

Chemical equations and reactions
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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Number written below & to the right of a chemical symbol

subscript
reactant
product
coefficient

2.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Number placed in front of a chemical formula

product
coefficient
reactant
subscript

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

a series of symbols and formulas that represents a chemical reaction

reactant

product

Chemical equation

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

4.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Media Image

What are the 3 main components of a chemical equation?

reactants

hot dogs

yield arrow

stop sign

product(s)

Tags

NGSS.MS-PS1-5

5.

DROPDOWN QUESTION

1 min • 1 pt

The arrow in a chemical equation means to yield, or ​ (a)   .

produce
destroy
make magic
create out of thin air

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

6.

MULTIPLE CHOICE QUESTION

45 sec • 5 pts

The Law of Conservation of Mass states matter can not be created nor destroyed: it can only be

Destroyed a little bit
Invisible
Transformed, changed
None of the above

Tags

NGSS.MS-PS1-5

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Chemical reactions occur when _________ are broken and new bonds are formed.

mixtures

atoms

physical bonds
chemical bonds

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

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