What is an atom?
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Answers
ǫᴜᴇsᴛɪᴏɴ:
What is an atom?
ᴀɴsᴡᴇʀ:
Atom is the smallest constituent unit which are made up of electron , proton and neutron .
ᴍᴏʀᴇ ɪɴғᴏʀᴍᴀᴛɪᴏɴ:
➝ Atomic mass :- The atomic mass of an element is a number which express as to how many times an atom of the element is havier than 1/12th of the mass of carbon atom (C¹²).
➝ Atomic number :- This number shows the position of an element in the periodic table.The number of protons present in the nucleus or the number of electrons present outside the nucleus of an atom of an element is known as atomic mass.
It is denoted by Z.
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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.