Atoms are the basic elements in chemistry, chemical reactions change? The elements that are found naturally on Earth, there were approximately only 90 exist (apart from some element like this using Siem and khaelifoniam found in the Super Nova and high atomic number (more than 100) that can have synthetic Atom comes with a high speed collision)We call the two atoms of the same element as Atomic when two atoms have the same number of protons. Typically, each of the elements that are not the same. The atoms of the elements of the same type may have different neutron number. We call the two atoms with the same number, but the number of neutron-rotron differ, it is called an isotope.
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