unit 4 vocabulary
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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| Atomic mass | Averge mass of one atom of an element
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| Periodic table | A chart of elements showing the repeating patturn of their produce.
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| Chemical Symbol | A one-or-two representation of an element
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| Period | Chemistry: a row of elements in the periodic table arranged by atomic number.
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| Group | Elements in the same berticl column of the periodic table; also called family.
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| Matter | Anything that has mass and occupies space
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| Element | A substance that cannot be broken down into other substance
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| Compound | A substance in which two or more elements are chemically joined.
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| Atom | Smallest particle into which an element can be divided and still have the properties
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| Electron | Negativley charged particle found outside the nucleus of an atom
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| Nucleus | Biology: structure in the center of a cell that contains the cell's DNA
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| Proton | Positivey charged particle located in the nucleus of an atom
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| Neutron | In an atom, particle with a neutral charge; located in teh nucleus.
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| Energy level | The amount of energy carried by an electron in an atom, determine, the electron's average distance from the nucleus.
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| Isotope | An atom with the same number of protons and a diffrent number of neutrons from other atoms of the element.
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| Mass number | The sum of protons in the nucleus of an atom
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| Atomic number | The number of protons in the nucleus of an atom.
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| Metal | A class of elements characterized by physical properties that include shininess, malleable, ductilde cd.
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| Malleable |
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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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