History and organization of the periodic table
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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| In the modern periodic table, elements are organized by... | Atomic number
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| What was special about Mendeleev's periodic table? | He left spaces for undiscovered elements
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| How many periods are there in the modern periodic table? | 7
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| What is a period? | A horizontal row
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| What is a group? | A vertical column
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| Elements in a group have similar.... | Reactivity and other properties
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| Non-metals are found on what part of the periodic table? | The upper right
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| Metals are found on what part of the periodic table? | The lower left
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| Semimetals or metalloids are found where on the periodic table? | On the zig zag that goes from upper left to lower right
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| Group 17 is an element family called... | Halogens
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| How many groups are there on the modern periodic table? | 18
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| What are some properties of metals? | Shiny, ductile, malleable, conduct electricity and heat
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| What are some properties of non-metals? | Dull, brittle, do not conduct electricity
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| What are the elements that have properties of both metals and non-metals called? | Metalloids or semi-metals
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| Name some elements that are in the alkaline metal family | Lithium, sodium, potassium, rubidium, cesium
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| What is the name of elements in group 2? | Alkaline earth metals
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| What are the elements in group 18 called? | Noble gases
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| What are the elements in the middle of the table (the d block) called? | Transition metals
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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:
mmetzler
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