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Mastering Significant Figures in Chemistry

Mastering Significant Figures in Chemistry

Assessment

Interactive Video

•

Chemistry

•

6th - 10th Grade

•

Practice Problem

•

Easy

Created by

Olivia Brooks

Used 15+ times

FREE Resource

The video tutorial explains the rules for determining significant figures (sig figs) in numbers, a crucial concept in chemistry. It covers five main rules: nonzero numbers are always sig figs, zeros between nonzeros are sig figs, leading zeros are not sig figs, trailing zeros without a decimal point are not sig figs, and trailing zeros with a decimal point are sig figs. The tutorial provides examples for each rule to help students understand and apply these concepts effectively.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why are significant figures important in chemistry?

They help in balancing chemical equations.

They determine the precision of measurements.

They are used to identify chemical compounds.

They are necessary for understanding chemical reactions.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following numbers has 2 significant figures?

0.005

0.05

17

500

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many significant figures are in the number 5631.54?

4

5

6

7

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the number 101, how many significant figures are there?

4

3

2

1

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following numbers has 7 significant figures?

2009

2000009

200.0009

200.09

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many significant figures are in the number 0.0001305?

3

4

5

6

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following numbers has only 1 significant figure?

500.0

0.500

500

0.0500

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