Chemistry Chapter 2

Base unit for length.

• centimeter

• meter

• decimeter

• second

Base unit for time.

• hour

• minute

• decimeter

• second

Which shows largest to smallest?

• m, cm, mm, km

• km, mm, cm, m

• mm, m, cm, km

• km, m, cm, mm

Amount of matter per unit volume.

• mass

• weight

• inertia

• density

The equation for density.

• d=m/v

• d=v/m

• d=v+m

• d=v x m

7.8 cm is the same as

• .78 m

• 78 mm

• 7.8 km

• .78 dm

2.47 L of H2O is equal to

• 2470 ml

• 2470 kl

• .2407 ml

• 24.7 kl

Measurement close to the correct or accepted value.

• precise

• smart

• significant

• accurate

Repeated measurements agree closely.

• precise

• accurate

• significant

• agreeable

Significant figures in 0.0000450

• 8

• 2

• 3

• 4