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The Atom and how it is organized. Structure of an Atom. The atoms of all elements are made up of a central nucleus with orbiting electrons. A nucleus is made up of positively charged PROTONS and neutral NEUTRONS. ELECTRONS are negatively charged and orbit around the nucleus.
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Structure of an Atom • The atoms of all elements are made up of a central nucleus with orbiting electrons. • A nucleus is made up of positively charged PROTONS and neutral NEUTRONS. • ELECTRONS are negatively charged and orbit around the nucleus.
Organizing Atoms • In order to organize elements we need to classify them. • To classify and name an element we look at the number of PROTONS that the atom has. The number of PROTONS defines the element
The Periodic Table • To organize the elements we use the PERIODIC TABLE. The periodic table organized elements in the order of the number of protons each atom contains
The Periodic Table • How the table is actually organized
Understanding the Periodic Table • In each box of the periodic table there is information about the element Atomic Number (The number of Protons) 5 B Element symbol Boron Name of Element