Argon, Properties, Uses, Atomic Number, & Facts

Argon, chemical element, inert gas of Group 18 (noble gases) of the periodic table, terrestrially the most abundant and industrially the most frequently used of the noble gases. It is used in gas-filled electric light bulbs, radio tubes, and Geiger counters.

Xenon Facts - Periodic Table of the Elements

Nonmetal - Wikipedia

Helium. Helium in Periodic Table, by Chemistry Topics

Argon, Properties, Uses, Atomic Number, & Facts

Argon Center for Science Education

Argon – expert written, user friendly element information

Argon - Wikipedia

Helium (He) - Physical & Chemical Properties, Uses, Isotopes

Radon Element, Properties, Effects, Facts, by Chemistry Topics

Titanium Metal: What Is It? How Is It Used? Properties

Periodic Table Groups Periods Trends patterns comparison properties of metals non-metals allotropes summary overview gcse chemistry revison notes igcse O Level KS4 science