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The number of protons that are found is an atom is referred to as the atomic number. This number is also referred to as the proton number. More »

www.reference.com Science Chemistry Atoms & Molecules

Collectively, protons and neutrons are called nucleons. Along with electrons, they make up the three subatomic particles in an atom.. More »

www.reference.com Science Chemistry Atoms & Molecules

The core, or dense center of an atom, is called the atom's nucleus. The nucleus contains protons, which have positive charges, and neutrons, which have no charge and are neutral. More »

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The atomic number is the number of protons in the nucleus of an atom, according to M.J. Farabee, author of Chemistry 1: Atoms and Molecules. The number of protons define the identity of an element, and it determines how ... More »

www.reference.com Science Chemistry Atoms & Molecules

The atomic number represents the number of protons present in the nucleus of an atom. The atomic number of an element is located on the upper-left corner of that element in the periodic table. More »

www.reference.com Science Chemistry Atoms & Molecules

To draw a Bohr model of an atom, first find the number of protons, neutrons and electrons in the atom from its atomic weight and atomic number. After that, place the neutrons and the protons in the nucleus, and draw the ... More »

www.reference.com Science Chemistry Atoms & Molecules

The atomic number represents the number of protons in an atom. Elements on the periodic table are organized in order of ascending atomic numbers. The atomic number of an atom never changes; all atoms of an element contai... More »

www.reference.com Science Chemistry Atoms & Molecules