what are atom s?

Pdav80119

2 months ago

An atom is the smallest unit of matter that retains the properties of an element. Everything around you is made of atoms.
Key points:
Basic structure of matter – Atoms combine to form molecules, which make up everything in the world.
Components of an atom:
Protons – positively charged, found in the nucleus.
Neutrons – neutral, found in the nucleus.
Electrons – negatively charged, orbit the nucleus in shells.
Element identity:
The number of protons in an atom determines which element it is.
For example, hydrogen has 1 proton, oxygen has 8.