Chemistry Test Chapter 9,10
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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| alkali metals | group 1 and most reactive metal on the periodic table
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| alkaline earth metals | group 2 and is a valence electron
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| group | a column on the periodic table
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| metals | an element that is shiny, easily pulled into wires or hammered into thin sheets, and a good conductor of electricity and thermal energy
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| period | a row on the periodic table
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| transition elements | an element in groups 3-12 on the periodic table
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| noble gases | least reactive gas and is in group 18
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| atom | a small particle that is the building block of matter, and is the smallest piece of an element that still represents that element
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| atomic number | the number of protons in an atom of an element
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| atomic mass | amount of mass in an object
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| ion | an atom that is no longer neutral because it has lost or gained valence electrons
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| neutron | a neutral particle in the nucleus of an atom
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| average atomic mass | the average mass of the element's isotopes, and is weighted according to the abundance of each isotope
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| iosotopes | atoms of the same element that have different numbers of neutrons
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| nucleus | the region in the center of an atom where most of an atom's mass and positive charge are concentrated
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| elements | a substance that consists of only one type of atom
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| protons | positively charged particle in the nucleus of an atom
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| radioactivity | any element that spontaneously emits radiation
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| electrons | a negatively charged particle that occupies the space in an atom outside the nucleus
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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:
2018grellerj
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