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