Kategorie: Wszystkie - substances - chemical - bonding - elements

przez Jiao Wenbo (Woodgrovess) 2 lat temu

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Elements, Compounds & Mixtures

Elements, Compounds & Mixtures

Elements, Compounds & Mixtures

Mixture

Dirt and water (Mud)

Sand, water and gravel (Cement)
Smoke and fog (Smog)
A mixture is made when two or more substances are combined, but they are not combined chemically.

Element

an element is a substance that cannot be broken down into simpler components by any non-nuclear chemical reaction
examples
H - Hydrogen.

He - Helium.

O - Oxygen.

Compound

Examples
carbondioxide
Table salt
water

Water

A compound is a material formed by chemically bonding two or more chemical elements