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The modern atomic model involves a dense atomic nucleus containing a fixed number of protons and neutrons surrounded by a probabilistic cloud of electrons. This model was established following the discovery of quantum mechanical properties such as wave-particle duality and uncertainty.


The modern atomic theory is a theory that all matter is composed of tiny particles called atoms. This theory is used in physics and chemistry to explain the behavior of all matter.


Atoms are made of protons, neutrons and electrons with the exception of hydrogen atoms, which do not have any neutrons. The nucleus of an atom contains the protons and neutrons, and the electrons are found outside the nucleus in orbitals. Because protons have a positive charge and electrons have a n


The size of an atom is dependent on the type of atom the number of protons, neutrons and electrons it contains. Each atom on the periodic table has a different size.


An atomic number represents the amount of protons that an element consists of in its nucleus. It is the identifying number that is unique to one atom of the specific element.


Atoms combine by forming chemical bonds, the majority of which fall into three major categories: ionic, covalent and hydrogen bonds. The bonding that occurs is the result of the electrostatic attractive force that exists between opposite charges. The bonds that form between atoms can also be classif


There are three primary components inside an atom: neutrons, electrons and protons. The neutrons have no charge, while the protons have a positive charge and electrons have a negative charge. The neutrons and protons exist in a dense center area called the nuclei, while the electrons exist in anothe


An atom is comprised of a central portion called a nucleus that contains protons and neutrons. Electrons orbit the nucleus and are typically found in a one-to-one ratio with protons. Different stable atomic configurations are called elements. Hydrogen is unique in having one proton, one electron and


The forces that hold atoms together are the electrical force and the strong force, which is stronger than the electrical force. The electrical force does the majority of the work of holding atoms together, but the strong force helps hold in the electrical force and can somewhat override it.


The three parts of an atom are the protons, neutrons and electrons. Atoms make up the basic building blocks of matter and define the structure of elements. These parts were not officially identified until 1932.