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Science

9th - 12th Grade

NGSS covered

Used 20+ times

Balancing Chemical Equations Notes Practice
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45 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • Ungraded

Rate your understanding of and ability to balance chemical equations.

* I'm Lost

** I get some of it

*** I get it; I just need more practice

**** I feel super confident

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is the first step in balancing equations?

Write symbols of products

Write symbols of reactants

Draw a line under the arrow

Total up each atom on the Product side and record the number

Total up each atom on the Reactant side and record the number

Answer explanation

The line helps you visually separate the reactants and the products.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Cali has drawn a line under the equation arrow, what should she do next?

Write symbols of products

Write symbols of reactants

Draw a line under the arrow

Total up each atom on the Product side and record the number

Total up each atom on the Reactant side and record the number

Answer explanation

Reactants come first in an equation so write them first.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Cali has drawn the line and written the symbols of all the reactants. What should she do next?

Write symbols of products in the same order as the reactants

Write symbols of reactants

Write symbols of products in any order

Total up each atom on the Product side and record the number

Total up each atom on the Reactant side and record the number

Answer explanation

Make sure they are in the same order so you can compare the amounts of each atom accurately.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Cali has drawn the line, written the symbols of all the reactants and products in the same order. What should she do next?

Write symbols of products in the same order as the reactants

Write symbols of reactants

Write symbols of products in any order

Total up Each atom on the Product side and record the number

Total up Each atom on the Reactant side and record the number

Answer explanation

Make sure the totals are of the individual atoms

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Cali has drawn the line, written the symbols of all the reactants and products, and totaled up the reactants. What should she do next?

Write symbols of products in the same order as the reactants

Write symbols of reactants

Write symbols of products in any order

Total up Each atom on the Product side and record the numbers

Total up all atoms on the product side and record the number

7.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Cali now has all the symbols and totals written from the reactants and products. What should she do next?

(Choose all that apply)

Determine which elements are metals and begin balancing them first

Compare each element's number of atoms from the reactants to the product.

Determine which elements are non-metals and begin balancing them first

Determine which elements are not balanced

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