Question

define atom??????????​

Answer 1

the smallest particle of a chemical element that can exist.

please mark as brainliest

Answer 2

qᴜᴇꜱᴛɪᴏɴ:

• Define Atom

ᴀɴꜱᴡᴇʀ:

• The smallest particle of an element that can exists.

• The smallest unit of an element, having all the characteristics of that element and consisting of a very small and dense central nucleus containing protons and neutrons, surrounded by one or more shells of orbiting electrons.

• Atoms remain undivided in chemical reactions except for the donation, acceptance, or exchange of valence electrons.

• Atoms are very small pieces of matter. There are many different types of atoms, each with its own name, mass and size. These different types of atoms are called chemical elements.

• The chemical elements are organized on the periodic table. Examples of elements are hydrogen and gold.

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