Question

Give two difference between atoms and molecules. for class 9​

Answer 1

Answer:

Difference between atoms and molecules certainly exists. Atom refers to the smallest constituent unit of a chemical element. Molecules refer to a group of two or more atoms that are held together due to chemical bonds.

Answer 2

ATOMS:-

▪︎MATTER CONSISTS OF INDIVISIBLE PARTICLES CALLED ATOMS

▪︎THE WORD ATOM IS DERIVED FROM A GREEK WORD "A-TOMIO"

▪︎ATOMS ARE NEITHER CREATED NOR DESTROYED

MOLECULES:-

▪︎SMALLEST PARTICLE OF MATTER THAT IS CAPABLE OF INDEPENDENT EXISTENCE AND RETAINED ALL PROPERTIES OF THAT SUBSTANCE

▪︎MOLECULE OF HYDROGEN CONTAINS OF TWO ATOMS

EXAMPLE:-

$h _{2}$

IS DIFFER FROM "2H"

H2 IS A MOLECULE

2H IS TWO DIFFERENT ATOMS

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