The Elements of Life
Nonmetals
Halogens
Elements in Everyday Life
Fashion and Leisure
100

Essential for breathing and energy production in cells.

Oxygen

100

The simplest and most abundant chemical element, composed of a single proton and electron, and is a colorless, odorless, and highly flammable gas.

Hydrogen (H)

100

This pale yellow gas is the most electronegative element and is used in toothpaste.

Fluorine

100

Found in thermometers and is liquid at room temperature.

Mercury

100

Used in jewelry, watches, and luxury accessories for its shine, rarity, and resistance to tarnish.

Gold (Au)

200

Found in bones, teeth, and shells.

Calcium

200

This colorless gas makes up most of Earth’s atmosphere.

Nitrogen (N)

200

The greenish-yellow gas used as a disinfectant and in swimming pools.

Chlorine

200

The metal used in wiring because it conducts electricity so well.

Copper

200

Common in jewelry, clothing embellishments, and even antimicrobial athletic wear.

Silver (Ag)

300

This element is crucial for muscle and nerve function, often found in bananas.

Potassium

300

This nonmetal is used in pencils and as a lubricant in the form of graphite.

Carbon (C)

300

The purple-black solid used as a disinfectant for wounds and added to table salt.

Iodine

300

The metal used to make soft drink cans and foils.

Aluminum

300

Lightweight, hypoallergenic metal used in eyewear frames, watches, and piercings.

Titanium (Ti)

400

This element is found in hemoglobin and helps carry oxygen in the blood.

Iron (Fe)

400

A yellow, brittle nonmetal that smells like rotten eggs when burned.

Sulfur

400

This nonmetal solid forms red crystals and is used in disinfectants.

Bromine (Br)

400

Helps regulate metabolism in the thyroid gland. 

Iodine

400

Premium jewelry metal prized for durability and luxury appeal.

Platinum (Pt)

500

This element, symbol Mg, activates enzymes and supports muscle and nerve function.

Magnesium (Mg)

500

This reactive nonmetal can exist in white, red, and black allotropes.

Phosphorus (P)

500

The rarest naturally occurring halogen, radioactive and found in uranium ores.

Astatine

500

Used in light bulb filaments for its high melting point.

Tungsten

500

Used in smartwatches, wearable tech, and even in cosmetics for smooth texture.

Silicon (Si)