Elements, Atoms, & 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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| Chemistry- | Chemistry- The study of the properties of matter and how matter changes
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| Atom- |
Atom- The smallest unit of matter.
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| Element- | Element- A pure substance that cannot be broken down into any other substances by Chemical or physical means (simplest substances)
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| Compound | Compound- A pure substance made of two or more elements chemically combined in a set ratio.
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| Periodic table- |
Periodic table- A chart of the elements showing the repeating
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| Period- |
Period- The horizontal rows in the periodic table.
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| Group- |
Group- The 18 vertical columns in the periodic table.
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| Valence electron |
Valence electron- The measurement of the amount of matter in the object.
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| Energy level- |
Energy level- The location of electrons.
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| Atomic mass- | The number of neutrons + protons in an atom.
Ionic bond- A chemical bond formed between a metal and non-metal.
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| Density | The ratio of the mass of a substance to its volume.
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| Mass | The amount of matter in the object.
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| Volume- The amount of space that matter occupies. | Volume- The amount of space that matter occupies.
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| What is the formula for density? |
Density = Mass รท Volume
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| How many groups are on the periodic table? | 18
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| How many periods are on the periodic table? | 7
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| Who is credited with organizing the first PT? | Dmitri Mendeleev
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| How do you find the number of neutrons in an atom? | mass - protons
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| What does the group # tell you about an element? | They tell you how many valence electrons will be on the outer shell.
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| What does the period # tell you about an element? | They tell you how many shells you will have.
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| Positive ions are called cation. | They will lose electrons.
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| Negative ions are called anion. | They will gain 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.
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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:
hohara23
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