Name the three kinds of sub-atomic particles found in an atom: Protons Axons Polyhedrons Electrons Neutrons
1 answer:
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Answer: chlorine
Explanation:
Element is a pure substance which is composed of atoms of similar elements. Example: sodium , Neon
Molecule of an element is the smallest unit of any matter which always have independent existence and is made up of similar elements. Example: Chlorine
Compound is a pure substance which is made from atoms of different elements combined together in a fixed ratio by mass.It can be decomposed into simpler constituents using chemical reactions.
Molecule of a Compound is a pure substance which is made from atoms of different elements combined together in a fixed ratio by mass. Example: carbon dioxide