Question

what is an atom ...........????????...¿¿¿¿¿¿¿¿¿¿¿¿¿¿¿¿¿​

Answer 1

Explanation:

An atom is composed of three particles, namely, neutrons, protons and electrons with hydrogen as an exception without neutrons. Every atom has a nucleus that bounds one or more electrons around it. The nucleus has typically a similar number of protons and neutrons which are together known as nucleons.

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Answer 2

Answer:

An atom a fundamental piece of matter. ... An atom itself is made up of three tiny kinds of particles called subatomic particles: protons, neutrons, and electrons. The protons and the neutrons make up the center of the atom called the nucleus and the electrons fly around above the nucleus in a small cloud.