Periodic table 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 all the isotopes of that element
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| atomic number | number of protons in the nucleus of an atom
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| chemical symbol | one or two letter abbreviation for an element
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| periodic table | arrangement of elements showing a repeating pattern
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| neutron | particle in the nucleus that has no charge
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| period | term for the rows of the periodic table
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| nucleus | very center of the atom
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| electron | negatively charged particle that orbits the center of an atom
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| group | term for the columns of the periodic table also known as families
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| proton | positively charged particle in the nucleus of the atom
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| metal | elements that are good conductors of electricity and heat often shiny and bendable
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| luster | shiny and reflective
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| malleable | can be hammered or rolled into flat sheets or shapes
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| ductile | can pulled out or drawn into long wires
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| thermal conductivity | ability to transfer heat
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| electrical conductivity | ability to carry electrical current
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| reactivity | ease and speed with which one element combines with another
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| corrosion | deterioration of a metal due to a chemical reaction
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| alkali metals | most reactive elements, are seldom found uncombined with other atoms
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| alkaline earth metals | these metals are harder and denser and melt at higher temperatures
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| nonmetal | element that lacks most properties of a metal. mostly found on the right side of periodic table
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| diatomic molecule | two molecules of the nitrogen family are combined with each other and is not very reactive
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| halogens | means "salt forming" flourine, bromine, chlorine and iodine. very reactive
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| noble gasses | elements of group 18. Do not normally form compounds because they do not share electrons
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| metalloids | have some properties of metals and some of nonmetals. Solid at room temperature. Hard Brittle and somewhat reactive
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| semiconductors | substances that can conduct electricity under some conditions
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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.
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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:
superstephens
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