Chemistry Concepts 1, 2, and 3 Review

Vocabulary flashcards covering core topics from Concepts 1, 2, and 3, including measurement metrics, scientific notation, dimensional analysis, and types of solutions.

Accuracy

How correct the measurement is.

Precision

How specific the measurement is.

Observation

Objective; based on senses.

Inference

Subjective; based on perceptions.

Qualitative Data

Data based on qualities.

Quantitative Data

Data based on quantities (#'s).

Conversion Factors

Ratios of equivalent values (meaning they equal 1).

Significant Figures

Also called "sig figs", the # of digits in a measurement that reflect how accurate the measurement is.

SI Unit for Length

Meters ($m$).

SI Unit for Mass

Kilograms ($kg$).

SI Unit for Time

Seconds ($s$).

SI Unit for Temperature

Kelvin ($K$).

SI Unit for Amount of Substance

Mole ($mol$).

Scientific Notation

A technique used to rewrite very large or very small numbers into an easier format.

Dimensional Analysis

A technique of converting #'s into different units w/o changing their value.

Aqueous Solution

When the solute is dissolved in water.

Alloy

A solution of metals.

Heterogeneous Mixture

A mixture with an uneven distribution (different).