Vocab Unit 1, lists 1.1 & 1.2
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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| Atom | Basic unit of an element. Smallest particle that retains properties of the element.
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| Nucleus | Dense center of the atom, contains protons and neutrons.
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| Proton | Positively charged particle found in the nucleus of an atom.
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| Neutron | Neutral particle found in the nucleus of an atom.
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| Nucleon | Nuclear particle of an atom; proton or neutron.
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| Electron | Negatively charged particle found in orbitals surrounding the nucleus.
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| Atomic Number | Number of protons in the nucleus of an atom.
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| Electron Cloud | Diffuse area where electrons are likely to be found.
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| Mass Number | Number of nucleons in a given atom.
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| Isotope | Atoms of the same element with different numbers of neutrons.
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| Atomic Mass | Average Mass number for a given element, by natural percentages.
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| Rutherford's Experiment | Showed nuclear atom with electron orbitals, and much empty space.
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| Group | Vertical column of the periodic table, elements have similar chemical properties.
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| Period | Horizontal row of the periodic table, elements have similar chemical properties.
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| Valence Electrons | Electrons in the outermost shell or orbital of an atom; available for bonding.
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| Electronegativity | Tendency of an element to attract electrons towards itself.
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| Ionization Energy | Energy required to pull an electron from an atom.
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| Atomic Radius | Size of an atom, by measuring from center of nucleus to outermost orbital.
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| Noble Gasses | Group 18 of the periodic table.
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| Halogens | Group 17 of the periodic table.
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| Alkaline Earth Metals | Group 2 of the periodic table.
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| Alkali Metals | Group 1 of the periodic table.
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| Transition Metals | Groups 3-12 of the periodic table.
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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.
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.
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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Created by:
david.chavez
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