Balancing Chemical Equations

Balancing Chemical Equations

9th - 12th Grade

10 Qs

quiz-placeholder

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Balancing Chemical Equations

Balancing Chemical Equations

Assessment

Quiz

Science

9th - 12th Grade

Easy

formulas, NGSS.MS-PS1-5

Standards-aligned

Created by

Spencer Austin

Used 13+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Media Image

How many molecules are in this chemical formula?

5 molecules

4 molecules

2 molecules

6 molecules

Answer explanation

Remember, the coefficient tells you how many molecules there are, and the subscript tells you how many atoms there are per molecule!

Tags

formulas

2.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Media Image

How many Iron (Fe) atoms are in this chemical formula?

2 iron atoms

6 iron atoms

5 iron atoms

4 iron atoms

Answer explanation

Remember, the coefficient tells you how many molecules there are, and the subscript tells you how many atoms there are per molecule!

Tags

formulas

3.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Media Image

How many oxygen atoms are in this chemical formula?

6 oxygen atoms

2 oxygen atoms

3 oxygen atoms

4 oxygen atoms

Answer explanation

Remember, the coefficient tells you how many molecules there are, and the subscript tells you how many atoms there are per molecule!

Tags

formulas

4.

MATCH QUESTION

10 mins • 1 pt

Match the following symbols to their meaning.

yields or produces

and or reacts with

reversible reaction

Tags

formulas

5.

MATCH QUESTION

10 mins • 1 pt

Match the following to their meaning.

liquid

(s)

aqueous

(l)

gas

(g)

solid

(aq)

6.

DROPDOWN QUESTION

10 mins • 2 pts

When balancing an equation, you can change the ​ (a)   of a substance, but you cannot adjust any ​ (b)   because that would change the formula.

coefficient
subscript

Tags

NGSS.MS-PS1-5

7.

DRAG AND DROP QUESTION

10 mins • 1 pt

In a chemical equation, the arrow points towards the ​ (a)   of the reaction.

products
reactants
elements
compounds

Tags

NGSS.MS-PS1-5

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