Topic 1 Flashcards

Front

Relative density

Back

A measure of the density of a substance compared to the density of a reference substance, usually water.

Front

Mass

Back

The amount of matter in an object, typically measured in grams or kilograms.

Front

Volume

Back

The amount of space an object or substance occupies, measured in liters or cubic meters.

Front

Physical Property

Back

A characteristic of a substance that can be observed or measured without changing its identity.

Front

Atoms

Back

The basic units of matter and the defining structure of elements.

Front

Periodic Table

Back

An arrangement of the chemical elements, organized by their atomic number, electron configuration, and recurring chemical properties.

Front

Atom

Back

The smallest unit of an element, consisting of protons, neutrons, and electrons.

Front

Element

Back

A pure substance consisting of only one type of atom.

Front

Rare Earth

Back

A group of 17 chemically similar elements crucial in the manufacture of many high-tech products.

Front

Metals

Back

Elements that are good conductors of heat and electricity and are typically malleable and ductile.