Nucleus is surrounded by a cloud of electrons.
Nucleus contains protons.
Protons are attracted to electrons.
Electrons have negative electrical charge.
Protons have positive electrical charge.
What are the particles present in an atom?
An atom is the smallest particle of an element that can take part in a chemical reaction.
Atoms of elements are composed of three sub-atomic particles, namely:
- Protons -found in the nucleus and are positively charged
- Electrons - surround the nucleus and are negatively charged
- Neutrons - found in the nucleus and have a neutral charge.