Properties of Alkali Metals and the Periodic Table

These flashcards cover key vocabulary and concepts related to alkali metals, their properties, and the periodic table.

Reactivity Trend

Reactivity of alkali metals increases as you go down the group.

Alkali metals

They react with water to produce an alkali (slippery and soapy) and hydrogen gas.

Universal Indicator

A tool used to measure the pH of a solution, indicating the acidity or alkalinity.

Atomic Number

The number of protons in an atom's nucleus, unique to each element.

density 

how much mass is packed into a certain amount of space (volume).

Lithium + water

Lithium Hydroxide (LiOH)

Potassium + Water

Potassium Hydroxide (KOH)

reactive

How quickly and easily a substance can join or change with another substance through chemical changes.