Molar Mass
Lewis Structures
Physical/Chemical
Density
Sig Figs
100
What is the mass of one mole of Tin?
119g
100
Draw the Lewis Structure for Neon
100
Melting an ice cube
Physical Change
100
Find the volume of a box with a length of 5.00 cm, width of 10.0 cm, and a height of 2.00 cm.
100. cm3 (5cm x 10 cm x 2 cm)
100
Significant Figures show how _____________ a measurement is.
Accurate
200
What is the mass of one mole of Carbon monoxide?
28.0 g
200
Draw the Lewis Structure for Carbon tetrabromide
200
Is Adding vinegar to baking soda and seeing bubbles a chemical or physical change.
Chemical Change
200
Calculate the volume of a rubber stopper if the water in a graduated cylinder rose from 50.00 mL to 61.53 mL after the stopper was submerged.
11.53 mL
200
The number of significant figures in 4.2400 x 10-7 m
5(non-zeros + trailing zeros after a decimal)
300
What is the mass of one mole of FeCl2
162g
300
Draw the Lewis Structure for hydrogen cyanide.
H C N
300
Sodium added to water and catching on fire
Chemical Change
300
Find the density of an object with a volume of 93.5403 cm3 and a mass of 42.8 g.
D= 0.458 g/cm3
300
The number of zeros that are significant in 30.02000 mm
5 (all trapped zeros + all trailing zeros after a decimal)
400
What is the mass of
5.67 moles of LiNO3
391g
400
Draw the Lewis Structure for
H H
H C C O H
H H
400
Dissolving sugar in ice tea
Physical Change
400
What is the mass of a stone with a volume of 25.64 cm3 and a Density of 9.65 g/cm3
247 g
400
Convert 103.20 L to scientific notation. Keep the same number of significant figures.
1.0320 x 102 L
500
What is the mass of 3.54 moles of
Sodium Chloride
207 g
500
Draw the Lewis Structure for SO3 -2
500
Baking a Cake
Both chemical and physical change
500
What is the volume of an object with a Density of 2.635 g/mL and a mass of 6.29 g?
2.39 mL
500
Convert 6 000. m to scientific notation. Keep the same number of significant figures.
6.000 x 103 m