Chapter 17 Study Guide
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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| What are Aristotle's 4 "elements"? | Air, Fire, Earth, Water
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| When did Alchemy become a real science? | In the 17th and 18th centuries
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| What are the Diatomic Elements? | H2, N2, O2, F2, Cl2, Br2, I2
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| What did Dmitri Mendeleev do? | Arranged the elements into what eventually became the periodic table
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| What is the repetition of certain properties at regular intervals when elements were placed in order of atomic mass? | Periodicity
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| Who arranged the elements in the table in order of their increasing atomic masses? | John Newlands
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| What are metals? | Valence electrons that are not held very strongly and are easily removed
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| What are non metals? | They hold their electrons tightly, so their properties are very different from metals
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| What are horizontal rows of the periodic table called? | Periods or Series
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| What do the period number tell? | How many energy levels the element in that period have in their ground state
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| What is electron affinity? | Deals with the strength of attraction of electrons to unbounded atoms
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| Covalent bonds | Non metal/ non metal- sharing electrons
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| Ionic bonds | Metal/ non metal- giving away and taking electrons
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| Metallic bonds | Metal/ Metal- everyone shares the electrons
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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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