Group 2A Elements Are Called

question 45

Multiple Choice

Group 2A elements are called

• A)alkali metals.
• B)alkali earth metals.
• C)halogens.
• D)noble gases.

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Definitions:

Line Structure

A simplified representation of a chemical structure, using lines to represent chemical bonds and showing the arrangement of atoms within the molecule.

Soluble

The property of a substance to be dissolved in a solvent, forming a homogeneous solution at a specified temperature and pressure.

Oxygen

A diatomic molecule that is a colorless, tasteless, and odorless gas essential for respiration in most living organisms.

Hydrogen

The lightest and most abundant chemical element in the universe, with the symbol H and atomic number 1, primarily found as H2 gas.