What do you mean by atom ????
Answers
Answer:
Explanation:
An atom is a particle of matter that uniquely defines a chemical element. An atom consists of a central nucleus that is usually surrounded by one or more electrons. Each electron is negatively charged. The nucleus is positively charged, and contains one or more relatively heavy particles known as protons and neutrons.
Answer:
⭕ All the matter consists of small unit called atom. These are very small they cannot be seen with naked eyes.
⭕ Atom is further formed from subatomic particles called electrons , protons , neutrons and nucleus.
⭕ The nucleus is situated at the centre of the atom it comprises of protons and neutrons and electrons revolves around the nucleus in circular orbits.
⭕ Electrons -> negatively charged
protons - positively charged
neutrons -> no charge
nucleus -> heavily positive charge