Scientific Notation and Metric Prefixes - Vocabulary Review

Vocabulary flashcards covering key terms from the lecture on scientific notation, units, and metric prefixes.

Scientific notation

A compact representation of very large or very small numbers as a coefficient between 1 and 9.999… multiplied by a power of 10.

Exponent

The power of 10 in scientific notation that indicates the magnitude of the number.

Positive exponent

An exponent greater than 0, indicating a number larger than 1.

Negative exponent

An exponent less than 0, indicating a number smaller than 1.

Avogadro's number

6.022 × 10^23; the number of particles in one mole of a substance.

Mole

A unit of amount of substance containing Avogadro's number of entities.

Meter

Base unit of length in the metric system (symbol: m).

Kilogram

Base unit of mass in the metric system (symbol: kg).

Liter

Unit of volume; 1 L = 1000 mL = 1 dm^3 (symbol: L).

Milliliter

Volume unit equal to 1 cubic centimeter (1 mL = 1 cm^3).

Centimeter

Length unit equal to 0.01 meters (prefix: centi, symbol: c).

Millimeter

Length unit equal to 0.001 meters (prefix: milli, symbol: mm).

Decimeter

Length unit equal to 0.1 meters (prefix: deci, symbol: dm).

Kilometer

Length unit equal to 1000 meters (prefix: kilo, symbol: km).

Nanometer

Length unit equal to 1 × 10^-9 meters (prefix: nano, symbol: nm).

Micrometer

Length unit equal to 1 × 10^-6 meters (prefix: micro, symbol: μm).

Angstrom

Length unit equal to 1 × 10^-10 meters (symbol: Å).

Prefix

Metric prefixes that denote powers of 10 (e.g., kilo = 10^3, milli = 10^-3, nano = 10^-9).

One liter equals one decimeter cubed

1 L = 1 dm^3 = 1000 cm^3.

One cubic centimeter equals one milliliter

1 cm^3 = 1 mL.