Question

What is atom.
how is it formed.​

Answer 1

Answer:

the smallest part into which an element can be divided

Explanation:

Atoms were created after the Big Bang 13.7 billion years ago. As the hot, dense new universe cooled, conditions became suitable for quarks and electrons to form. Quarks came together to form protons and neutrons, and these particles combined into nuclei.

Answer 2

An atom is the smallest unit of ordinary matter that forms a chemical element. Every solid, liquid, gas, and plasma is composed of neutral or ionized atoms. Atoms are extremely small, typically around 100 picometers across. They are so small that accurately predicting their behavior using classical physics—as if they were tennis balls, for example—is not possible due to quantum effects.

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.

Hope this helped!

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