Chemistry Fall Semester Review

Front

A charged atom is known as

Back

ion

Front

How many meters are there in 1,865 cm?

Back

18.65 m

Front

Convert the following measurement: 5.4 L to mL

Back

5400. mL

Front

Measure the volume of the liquid using the proper number of sig figs.

Back

73.0 mL

Front

What is the definition of an element?

Back

A pure substance that cannot be broken down into simpler substances by chemical means.

Front

What is the definition of a compound?

Back

A substance formed when two or more elements are chemically bonded together.

Front

What is an isotope?

Back

Atoms of the same element that have the same number of protons but different numbers of neutrons.

Front

What is the significance of significant figures in measurements?

Back

They indicate the precision of a measurement and help convey the uncertainty in the data.

Front

How do you convert from centimeters to meters?

Back

Divide the number of centimeters by 100.

Front

What is the formula for calculating density?

Back

Density = Mass/Volume.