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The Atom

Atom The basic particle from which all elements are made
Electrons A tiny, negative charged particles that moves around the outside of the nucleus of an atom
Nucleus The central core of an atom which contains protons and neutrons
Protons small,positively charged particles that are found in the nucleus of an atom
Energy Level A region of an atom in which electrons of the same energy are likely to be found
Neutron a small particle in the nucleus of the atom, with no electrical charge
Atomic number the number of protons in the nucleus of an atom
Isotopes an atom with the same number of protons and a different number of neutrons from other atoms of the same elements
Mass number The sum of protons and neutrons in the nucleus of an atom
Atomic mass The average mass of all the isotopes of an element
Periodic table an arrangement of the elements showing the repeating pattern of their properties
Chemical symbol a change in which one or more substances comiune or break apart to form new substances
Period a horizontal row of elements in the periodic table
Group elements in the same vertical column of the periodic table
Created by: jaida11



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