Chemistry Ch3 L1
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 | smallest particle of an element
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electron | negatively charged particle surrounding the nucleus of an atom
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nucleus | small region in the center of an atom
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proton | positively charged particles in an atom's nucleus
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energy level | a specific amount of energy of an electron
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neutron | a particle in the atom with no electric charge
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atomic number | number of protons in the nucleus of an atom
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isotope | atoms with the same number of protons and different numbers of neutrons
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mass number | the sum of the protons and neutrons in the atom
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atomic mass | average mass of all the isotopes of that element
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periodic table | arrangement of elements showing the repeating pattern of their properties
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chemical symbol | one or two letters that is often an abbreviation of the elements name in English
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period | periodic table of elements arranged in rows
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group | periodic table of elements arranged in a column
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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:
angolajones
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