Question

please answer me...
urgently needed...​

Answer 1

Answer:

All matter consists of indivisible particles called atoms. Atoms of the same element are similar in shape and mass, but differ from the atoms of other elements. Atoms cannot be created or destroyed. Atoms of different elements may combine with each other in a fixed, simple, whole number ratios to form compound atoms.

Answer 2

• Atoms are smallest unit of matter and are indivisible.
• All the atoms of same elements have same mass and size.
• Atoms can neither be created nor be destroyed.