Chemistry - Ch 3 Vocab (Pearson)

Front

A quantity with a number and a unit

Back

measurement

Front

A number expressed as a product of a coefficient and 10 raised to a power.

Back

scientific notation

Front

Measure of closeness to actual value.

Back

Accurcy

Front

Measure of how close measurements are to each other.

Back

Precision

Front

Correct value based on reliable references.

Back

Accepted value

Front

Value measured in a lab

Back

Experimental value

Front

Difference between experimental and accepted value.

Back

Error

Front

Absolute value of error / accepted value × 100%

Back

Percent error

Front

All known digits plus one estimated digit.

Back

Significant figures

Front

Revised metric system

Back

International System of Units