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 | average mass of one atom of an element.
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| Periodic table | a chart where all elements are organized into periods and groups according their properties.
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| Chemical symbol |
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| Period | a row of elements in the periodic table arranged by atomic number.
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| Group | column of elements in the periodic table, in which elements have certain properties in common
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| Matter |
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| Element |
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| Compound | matter made of two or more elements.
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| Atom |
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| Electron | negativley charged particle found outside the nucleus of an atom.
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| Nucleus |
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| Proton | positivley charged particle located in the nucleus of an atom.
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| Neutron |
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| Energy levels | the element if energy carried by an electron in an atom.
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| Isotope | atoms of the same element with different numbers of neutrons in the nucleus, and this different atomic masses.
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| Mass number | the sum of protons.
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| Atomic number | number of protons in the nucleus of one atom of an element.
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| Metal | elements, usually solid, with a shiny surface.
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| Melleable |
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| Ductible |
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| Conductivity | transfer to heat from a warmer substance to a cooler substance
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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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