Question

what is atom? . tell me​

Answer 1

Answer:

Above picture describes the structure of an atom .

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.

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Answer 2

Answer

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.

Example

Neon (Ne)

Neon (Ne)Hydrogen (H)

Neon (Ne)Hydrogen (H)Argon (Ar)

Neon (Ne)Hydrogen (H)Argon (Ar)Iron (Fe)

Neon (Ne)Hydrogen (H)Argon (Ar)Iron (Fe)Calcium (Ca)

Neon (Ne)Hydrogen (H)Argon (Ar)Iron (Fe)Calcium (Ca)Deuterium, an isotope of hydrogen that has one proton and one neutron.

Neon (Ne)Hydrogen (H)Argon (Ar)Iron (Fe)Calcium (Ca)Deuterium, an isotope of hydrogen that has one proton and one neutron.Plutonium (Pu)