Unit 3 chemistry

Alkaline Earth Metals

Group 2 elements like beryllium and magnesium.

Alkaline Earth Metals

Group 2 elements like beryllium and magnesium.

Halogens

Elements in Group 17 known for being reactive

Noble Gases

Elements in Group 18 that are mostly unreactive, like helium

Lanthanides

The 15 elements from lanthanum on

Alkaline Earth Metals

Group 2 elements such as beryllium and magnesium.

Alkaline Earth Metals

Group 2 elements like beryllium and magnesium.

Atomic Radius

Size of an elements atom

Alkaline Earth Metals

Group 2 elements like beryllium and magnesium.

Alkaline Earth Metals

Group 2 elements like beryllium and magnesium.

Alkaline Earth Metals

Group 2 elements such as beryllium and magnesium.

Alkaline Earth Metals

Group 2 elements like beryllium and magnesium.

Alkaline Earth Metals

Group 2 elements like beryllium and magnesium.

Group

A vertical column in the periodic table that contains elements with similar chemical properties.

Period

A horizontal row in the periodic table, where properties change progressively across the row.

Metal

A category of elements that are typically shiny, good conductors of heat and electricity, and malleable.

Non-metal

Elements that are usually brittle, dull, and poor conductors of heat and electricity.

Metalloid

Elements that have properties of both metals and non-metals, such as silicon and germanium.

Alkali Metals

Elements in Group 1 of the periodic table, such as lithium, sodium, and potassium, known for being highly reactive.