Q1W1-Elements and Compounds

Water is composed of 2 atoms of Hydrogen and 1 atom of Oxygen 1. It consists of two or more kinds of atoms.

• Element

• Compound

Aluminum foil (Al), Iron wires (Fe) and Zinc metal (Zn) retain its composition even during its production. It cannot be decomposed into simpler substance

• Element

• Compound

It is composed of only one kind of atom. Examples are gold (Au), boron (B) and carbon (C).

• Element

• Compound

Carbon dioxide (CO2) Water (H2O) Glucose (C6H12O6). It can be represented by chemical formula.

• Element

• Compound

Table sugar is composed of 12 Carbon (C), 22 Hydrogen (H), and 11 Oxygen (O). It Can be broken down into simple substance

• Element

• Compound

Tungsten

• Element

• Compound

Acetic Acid

• Element

• Compound

Sulfur

• Element

• Compound

Methane

• Element

• Compound

Potassium

• Element

• Compound