gcarr-Review of periods, groups, and trends.
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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| The scientist that produced the first widely accepted periodic table. | Dmitri Mendeleev
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| Chemical and physical properties repeat themselves in a pattern when elements are arranged in order of increasing atomic number. | Periodic law
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| Metals located in the d-block | Transition metals
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| Elements that are generally shiny, solid at room temperature, and conduct electricity. | Metals
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| Shininess | Luster
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| Dents instead of shatters | Malleable
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| Can be pulled into a wire | Ductile
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| Alkali metals | Group I
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| Alkaline earth metals | Group II
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| Inner transition metals/ Rare earths | Metals located in the f-block
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| Nonmetals | Elements that are gases or dull, brittle solids and do not conduct heat or electricity.
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| Halogens | Group VII
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| Noble Gases | Group VIII
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| Metalloids | Elements with physical characteristics of both metals and nonmetals.
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| Valence electrons | The electrons in the outside shell of the atom
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| Atomic radius | Half of the distance between two identical atoms bonded together.
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| Ionization energy | The amount of energy required to remove an electron from a neutral atom.
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| Ion | An atom that has gained or lost one or more electrons.
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| Octet rule | Atoms gain, lose, or share electrons in order to acquire eight valence electrons.
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| Electronegativity | The ability of an atom to attract an electron in a bond.
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| Alloy | A mixture of two or more metals.
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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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gcarr
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