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Building blocks of matter and smallest unit of all matter
What is an atom?
What is an electron cloud?
It surrounds the nucleus and contains electrons
I know that it is the center of an atom, it has a positive charge and it consists protons and neutrons.
Do you know what a nucleus is?
What is an electron?
-subatomic particle -It has negative charge -located in energy levels inside electron cloud amu-almost zero
It's a subatomic particle, has positive charge, in nucleus, amu 1
What are some facts about protons?
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