An atom can be negatively or positively charged depending on the majority of the particles.
The nucleus of an atom is also surrounded by the electrons that are negatively charged particles. The nucleus of an atom is made of one or more protons and typically has a similar number of neutrons. Every atom composed of one or more electrons bound to the nucleus. With the gradual development of physics, atomic models have incorporated quantum principles to explain better and predicted behavior of the atom. I talk about their boundaries then these have not well-defined boundaries. The size of an atom can be around ten-billionths of a meter.
These are typically very small in size and are unable to be seen through naked eyes and magnifying microscope. All types of gases, solids, liquids and plasma are composed of ionized or neutral atoms. More molecules in human body than stars in the universeĪtom refers to the smallest particle unit of the simple matter that has the properties of a chemical element. Molecules refer to the group of atoms or combination of atoms Comparison Chart Basis of DistinctionĪtom refers to the smallest particle of elements that contains the properties of the element The main difference between atom and molecule is that an atom is made up of neutrons, protons and electrons while molecule refers to the group of atoms that are bonded together via covalent bonding or ionic metallic.
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