Basics of atomic structure and the periodic table
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Two subatomic particles found in the nucleus | protons and neutrons
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| Subatomic particles with a positive charge | protons
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| Subatomic particle(s)identified by the atomic number for a neutral atom | proton or electrons
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| Subatomic particles with a negative charge | electrons
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| Decimal number in the periodic table square | atomic mass
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| Visually shows the number of valence electrons as dots around the chemical symbol of an element | Lewis Dot diagram(s)
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| whole number in the periodic table square | atomic number
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| building blocks of elements | atom
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| found inside the nucleus, have a positve charge, and a mass of 1 amu | protons
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| Used to identify the number of energy levels for an atom | period
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| type of matter composed of only one type of atom | element
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| type of matter where two or more elements are chemically bonded together | compound
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| only metal touching the metalloid staircase | aluminum
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| Elements in group 2 | alkaline earth metals
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| Elements with similar chemical properties are found in the same.... | group
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| only metal in liquid state at room temperature | mercury
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| maximum number of electrons held by the second energy level | eight
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| an atom with a change in electrons but constant proton count | ion
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| an atom with the same proton count but a change in mass due to a change in neutron count | isotope
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| Elements in group 17 | halogens
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| subatomic particle count found by subtracting the mass number and atomic number | neutrons
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| Elements in the detached rows at the bottom of the periodic table | rare earth or inner transition metals
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| electrons found in the last or outermost energy level | valence electrons
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| The dots in a Lewis Dot diagram | valence electrons
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| atomic number represents this particle in a NEUTRAL atom | electrons
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| small, dense core of the atom | nucleus
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| Elements in group 18 | noble gases
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| Maximum number of electrons found in the third energy level | eighteen
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| Maximum number of electrons found in the fourth energy level | thirty-two
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| only non-metal on the left side of the periodic table; may have either a +/-1 charge | hydrogen
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| special name for any particle found in the nucleus | nucleons
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| subatomic particles with a mass of 1 amu and no charge | neutrons
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| rounded version of the atomic mass;sum of protons and neutrons for one isotope | mass number
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| Maximum number of electrons in the energy level closest to the nucleus | two
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| Elements in Group 1; except hydrogen | Alkali metals
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| Chemically inert or unreactive elements because they have a complete valence shell | noble gases
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| elements found in groups 3 through 12 | transition metals
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| smallest form of matter | atom
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| Most active non-metal element | fluorine
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| Most active metal element | cesium
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| only non-metal liquid at room temperature | bromine
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| Subatomic particle with a negative charge and essentially no mass | electron
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| vertical columns of the periodic table | groups or families
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| horizontal rows of the periodic table | periods
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| Identifies the valence electron count for an element except the transition metals | group number
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Created by:
wrightch
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