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WorksheetsUnit 3 Test Prep
Total questions: 13
Worksheet time: 7mins
Express 0.001299 L to 3 significant figures
0.00130
0.0013
0.00129
1.3 * 10-3
The _______ one rule states that you should add 1 digit of uncertainty to a measured number.
plus
minus
multiplication
division
Convert 0.04567 kg to milligrams using the correct number of significant figures
45670 mg
4567 mg
45700 mg
4.567 * 104 mg
An initial temperature on a thermometer is between 70.2°C and 70.3°C, but it is closer to 70.2°C. Which of the following are appropriate to record?
70.220°C
70.25°C
70.2°C
70.22°C
Express 25000 cm in scientific notation with the correct number of significant figures
2.5 * 104 cm
2.500 * 104 cm
25000 cm
2.5000 * 104 cm
Express 899.61 to 3 significant figures.
900.0
900
900.
900.00
Which of the following is an example of atomic absorption?
n=4 to n=2
n=4 to n=5
n=4 to n=4
n=4 to n=4.5
Express 899.61 to 2 significant figures.
900.
90
9.0 * 102
90.
Convert 30 mL to liters
0.003 L
0.03 L
300 L
3,000 L
Which answer is correct for: 0.50 + 1.270
1.770
1.7
1.77
1.80
As energy increases, wavelength
Increases
Decreases
Increases then decreases
Remains the same
How does an indigo wave compare to an orange wave?
Indigo should have a longer wavelength
Indigo should have a smaller frequency
Indigo should have a smaller wavelength
Indigo should have a smaller energy
Molar mass has units of ________.
g/atom
amu/atom
g/mol
amu/mol
