Periodicity Vocabulary Practice for Bromfield Honors Chemistry
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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Alkali metals | The elements in group 1
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Anion | A negatively charged ion
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Cation | A positively charged ion
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Group | Elements located in the same vertical column in the periodic table; assigned numbers from 1 to 18
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Lanthanides | The set of elements from lanthanum through ytterbium
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Actinides | The set of elements from actinium through nobelium
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Metal | Elements that are hard, shiny, and good conductors
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Metalloid | Elements with both metallic and nonmetallic properties
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Nonmetal | When forming compounds, frequently gains electrons and can share its outer electrons with other atoms
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Octet Rule | An atom with eight electrons in its outermost level is unreactive.
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Period | The horizontal rows in the periodic table
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Periodic Law | The properties of elements are a periodic function of their atomic numbers
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Transition Element | The elements in groups 3 through 12
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Triad | Term coined by Dobereiner to describe groups of three related elements
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Alkali earth metals | The elements in group 2
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Halogens | The elements in group 17
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Noble gases | The elements in group 18
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Atomic radius | The size of an atom
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Valence electrons | The electrons in the outermost s and p orbitals
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Electron affinity | The attraction of an isolated atom for an additional electron
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First ionization energy | The energy required to remove the most loosely held electron in an atom
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Ionic radius | The size of an ion
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Ionization energy | The energy required to remove an electron from an atom
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Shielding effect | Outer electrons do not feel the total nuclear charge because it is partially “screened” by the inner electrons
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Electronegativity | The tendency of an atom in a compound to attract electrons to itself
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Main block elements | Elements in groups 1, 2, 13-18 (s and p blocks)
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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