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38 Cards in this Set
- Front
- Back
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Element with 9 protons and 10 neutrons
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Fluorine F
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Number of protons in an element with an atomic number of 15
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15
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Ne belongs to which chemical family?
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Noble Gases
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An atom with the same number of protons and electrons is
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Electrically neutral (Has a charge of zero.)
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An atom with 4 protons and 5 neutrons
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Beryllium
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Atomic mass of an atom with 11 protons and 13 neutrons
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24
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Charge of an atom with 12 protons and 10 electrons
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+2
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Most reactive metal
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Lithium Li
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Least reactive family of elements
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Noble Gases
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Most reactive chemical families
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Alkali metals and halogens
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Element with 13 protons and 14 neutrons
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Aluminum
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Family with 8 electrons on the outermost energy level
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Noble Gases
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Family with 7 electrons on the outermost energy level
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Halogens
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Electrons on the outermost energy level
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Valence electrons
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Family of elements that are always found combined
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Alkali metals
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Properties of metals
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Solids, high luster, malleable, high melting point
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Properties of metalloids
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Some metal and some nonmetal properties
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Almost all of the mass of an atom is in its ________ .
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Nucleus
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Atomic mass minus the Atomic number equals ___ ______ __ _______,
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Number of protons
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The first energy level in an atom is filled with ____ electrons.
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2
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The outermost energy level of an atoms is filled with ______ electrons.
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8
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Atomic model which shows electrons orbiting the nucleus.
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The Bohr Model
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Element with 20 protons and 20 neutrons
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Calcium Ca
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Elements located along the stairstep on the periodic table
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Metalloids
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Elements located primarily on the right side of the periodic table.
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Nonmetals
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Elements located on the left side of the periodic table
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Metals
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Two elements in the Carbon Family
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Silicon Si
Germanium Ge |
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Two elements in the Boron Family
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Aluminum Al
Gallium Ga |
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Two elements in the Alkaline Earth Metal Family
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Beryllium Be
Magnesium Mg |
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Two elements in the oxygen family
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Sulfur S
Selenium Se |
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Element with 15 protons and 16 neutrons
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Phosphorous P
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Atomic mass of an element with 35 protons and 45 neutrons
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80 amu
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Number of electrons in the neutral atom of an element with 34 protons
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34
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atomic mass
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number of protons + number of neutrons in the nucleus
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negatively charged particles which orbit the nucleus
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electrons
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particles in the nucleus with no charge
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neutrons
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positively charged particles in the nucleus
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protons
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Atomic number
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number of protons
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