Vocabulary from Ch 3 Building Blocks book
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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| Mendeleev | organized the first periodic table
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| atomic mass | the average mass of one atom of the element
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| periodic table | a table of elements arranged in a regular, repeating pattern
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| nucleus | the core of the atom
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| proton | a subatomic particle with a + charge
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| neutron | a subatomic particle with no charge
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| electron | a subatomic particle with a - charge
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| atomic mass unit (amu) | the mass of a proton or neutron
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| atomic number | the number of protons in an atom's nucleus
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| chemical symbol | a shortened form for an element
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| group | the elements in a column on the periodic table
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| family | another name for group
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| period | a row on the periodic table
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| valence electrons | electrons located in the outer most shell
that are involved in forming chemical bonds
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| malleable | material that can be pounded into shapes
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| ductile | material that can be pulled out, or drawn, into a long wire
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| conductor | materials that can transmit heat and electricity
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| reactivity | the ease or speed that an element combines or reacts with other elements or compounds
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| corrosion | the process in which metal react with oxygen to form metal oxides
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| alloy | a mixture of metals
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| diatomic molecules | nonmetals that form molecules of two identical atoms
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| semiconductors | substances that can carry electricity under some conditions, and under other conditions, cannot
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| plasma | a state of matter in which atoms are stripped of their electrons and the nuclei are packed closely together
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| nuclear fusion | atomic nuclei combine to form a larger nucleus, releasing huge amounts of energy
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| supernova | a tremendous explosion that breaks apart a massive star producing high temperatures
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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:
Dcoleman
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