Honors Chem Unit 1 - Midterm Exam Review - 24-25

Front

What is the definition of accuracy in measurements?

Back

Accuracy refers to how close a measured value is to the true value.

Front

What does the prefix giga- represent?

Back

Giga- means 1 x 10^9.

Front

Convert 754 cm to nanometers (nm).

Back

7.54 x 10^9 nm.

Front

What does the prefix kilo- represent?

Back

Kilo- means 1 x 10^3.

Front

What does the prefix deci- represent?

Back

Deci- means 1 x 10^-1.

Front

What is the difference between precision and accuracy?

Back

Precision refers to the consistency of measurements, while accuracy refers to how close a measurement is to the true value.

Front

What is the meaning of the prefix centi-?

Back

Centi- means 1 x 10^-2.

Front

How many meters are in a kilometer?

Back

1 kilometer is equal to 1,000 meters.

Front

What is the scientific notation for 0.001?

Back

0.001 can be expressed as 1 x 10^-3.

Front

What is the meaning of the prefix milli-?

Back

Milli- means 1 x 10^-3.