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Smallest part of any element that contains all properties of that element. Particles that are smaller than an atom. 3 main subatomic particles are the proton, neutron and electron. The center of an atom. It contains two particles: neutron and proton. Has a positive charge. Positively charged particle found in the nucleus. Particle in the nucleus of an atom that does not have a charge. It is a neutral particle. Particle orbiting the nucleus of an atom. It has a negative charge. This is what gives the atom a neutral charge. Is a chart that contains all the information of the 109 elements found on Earth. Are the simplest type of pure substances. They occur naturally within the Earth. Explains how to read the information that is given in each square of the periodic table. 6 Atomic Number Symbol Carbon 12.011 Element Name Atomic Mass represents the number of protons found in the atom’s nucleus. 6 Carbon 12.011 Atomic Number None of the elements have the same number of protons. You can determine the element by knowing the atomic number. Which element has the atomic number 26? Consists of one or two letters that represents that element. 6 Symbol Carbon 12.011 First letter is always capitalized. If there is a second letter, it is written in lower case. How would you write the symbol for Neon? is always spelled out. 6 Carbon 12.011 Element Name What is the name of the element that has the symbol Fe? The sum of the number of protons and number of neutrons found in the nucleus of the atom for that element. 6 Carbon Atomic Mass 12.011 What is the atomic mass if an atom has 2 protons and 2 neutrons? How many protons does an atom have if its atomic mass is 12 and it has 6 neutrons? Which element has an atomic mass of 12 and contains 6 neutrons? How many neutrons does an atom contain if its atomic mass is 65 and it contains 30 protons? Which element has an atomic mass of 65 and contains 30 protons? Electrons in the OUTERMOST energy level of an atom. Valence Electron Determines how atoms will combine.