Unit 1 Review Chem

Front

Convert 23 cm to m

Back

0.23 m

Front

How do you write 8.317 x 10^6 in standard form?

Back

8,317,000

Front

If an object has a density of 3.6 g/mL and you put it into water, will it sink or float?

Back

It will sink.

Front

How many significant figures are in the number 350.540?

Back

6

Front

Which measurement contains 3 significant figures? 200 mL, 20.0 mL, 0.02 mL, 0.020 mL

Back

20.0 mL

Front

What is the definition of density?

Back

Density is mass per unit volume, typically expressed in g/mL or kg/m³.

Front

What is the formula for calculating density?

Back

Density = Mass / Volume

Front

What is scientific notation?

Back

A way to express numbers as a product of a number between 1 and 10 and a power of 10.

Front

How do you determine the number of significant figures in a measurement?

Back

Count all non-zero digits, any zeros between them, and trailing zeros in a decimal.

Front

What is the significance of significant figures in measurements?

Back

They indicate the precision of a measurement.