1.1,1.2,1.3
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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| proton | a positively charged paritcle located in an atom's nucleus
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| neutron | a particle that has no electric charge and is located in an atom's nucleus
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| nucleus | the central region of an atom where most of the atom's mass is found in protons and neutrons
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| electrons | a negatively charged particle located outside an atom's nucleus
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| atomic number | the number of protons in the nucleus of an atom
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| atomic mass number | the total number of protons and neutrons in an atom's nucleus
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| isotope | an atom of one element that has a different number of neutrons than another atom of the same element
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| ion | an atom or group of atoms that has a positive or negative electric charge
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| atomic mass | the average mass of the atoms of an element
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| periodic table | a table of the elements, arranged by atomic number, that shows patterns in their properties
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| group | a vertical column in the periodic table of the elements. they have similar properties
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| period | a horizontal row in the periodic table of the elements. they have varying properties
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| reactive | likely to undergo a chemical change
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| metals | an element that tends to be shiny, easily shaped, and a good conductor of electricity and heat
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| nonmetals | an element that is not a metal and has properties generally opposite to those of a metal
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| metalloids | an element that has properties of both metals and nonmetals
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| radioactivity | the process by which the nucleus of an atom of an element releases energy and particles
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| half-life | the length of time it takes for half of the atoms in a sample of a radioactive element to decay into atoms of another element
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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:
swimstar
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