Review Guide for Unit 1.
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 is Chemistry? | The study of the composition, structure, & properites of matter.
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| What is a chemical? | Any substance with a definite composition.
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| What is the Extensive Property? | Property that depends on the amount of matter. (i.e. volume, mass, energy)
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| What is the Intensive Property? | Property that does NOT depend on the amount of matter. (i.e. density, melting point, boiling point)
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| What are the two properties of matter? | 1. has mass
2. takes up space
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| What is a Chemical Change? | When one substance completely changes to a new substance.
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| What is a Chemical Property? | A substances ABILITY to undergo changes to transform to a new substance.
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| What is a Physical Property? | Anything you can OBSERVE without changing a substance.(5 senses)
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| What is a Physical Change? | Substance that doesn't form a new substance with change.
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| What is a Pure Substance? | Substance that can't be seperated by physical means. It is even throughout, has a fixed composition. (element or compound)
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| What is a Mixture? | Blend of two or more types of matter that keep their own identity.
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| What are the two forms of a mixture? | 1.) Homogenous- uniform/even throughout
2.) Heterogenous- different throughout
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| What is a period? | Periods are horizontal on the periodic table.
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| What is a group? | Also known as a family, they are vertical on the periodic table.
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| What are the characteristics of a metal, nonmetal, & metalloid? | Metal- Malleable, Ductile, Solids, and shiny.
Nonmetal- Not malleable, Not ductile, brittle.
Metalloid- semi-conductors, not as malleable or ductile.
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| What are the SI Units for length, volume, time, & mass? | Length- meters/km, cm, mm
Volume- L, m^3, cm^3
Time- second
Mass- g, kg
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| What is density? | Density= mass/volume
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| Precision is scientific measurement? | How close your numbers are to each other.
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| Accuracy in scientific measurement? | How close you are too ACCEPTED value.
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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:
allisonnicole21
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