Question

Write the difference between element and compounds

Answer 1

Elements- it is a group of similar atoms like H2 , O2

Compound- it is a group of dissimilar atoms like CO2, CH3COH

Answer 2

Meaning-

A compound contains atoms of different elements chemically combined together in a fixed ratio.

An element is a pure chemical substance made of same type of atom.

Distinguishing Feature-

Compounds contain different elements in a fixed ratio arranged in a defined manner through chemical bonds.

Elements are distinguished by their atomic number (number of protons in their nucleus).

Ability to Breakdown-

A compound can be separated into simpler substances by chemical methods/reactions.

Elements cannot be broken down into simpler substances by chemical reactions.

Types-

The list of compounds is endless.

There are about 117 elements that have been observed. Can be classified as metal, non-metal or metalloid.

Representation-

A compound is represented using a formula.

An element is represented using symbols.

Examples-

compound- Water (H2O), Sodium chloride (NaCl), Sodium bicarbonate (NaHCO3) etc.

element- Iron, copper, silver, gold, nickel etc.