Study Guide for 1st SW test
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 the center of the atom called? | Nucleus
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| What subatomic particle determines the identity of an atom? | Proton
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| What two subatomic particles have the same mass and are located in the nucleus | Proton and Neutron
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| What two subatomic particles contribute to the overall charge of an atom? | Protons and electrons
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| What particle is positively charged? | Proton
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| What particle has a negative charge? | Electron
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| What is the name of group 1 on the periodic table? | Alkali Metals
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| What is the name of group 2 on the Periodic Table? | Alkaline Earth Metals
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| If an element has 7 protons what is it? | Nitrogen
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| Why is hydrogen placed with the alkali metal family? | Hydrogen has 1 valence electron
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| What is the name of group 17? | Halogens
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| What is the magic number of valence electrons an atom wants to have? | 8
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| What is the mass number of carbon? | 12
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| If a scientist wants to use an element like sodium but wants to use something with a higher atomic mass, which element could he pick? | Potassium, rubidium, cesium, or francium
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| What are the characteristics for metals? | Shiny, good conductors of heat and electricity, malleable, ductile
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| Where are metals located on the periodic table? | Left and center
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| What are the characteristics of non-metals? | Brittle, dull, usually liquid or gas, poor conductors of heat and electricity
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| Where are non-metals located on the periodic table? | right side
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| What are metalloids? | Elements that share characteristics with both metals and non-metals
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| Where are metalloids located on the periodic table? | Between metals and non-metals - along stair case line
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| List examples of physical properties. | Luster, malleable, ductile, state of matter, solubility, color, shape, texture, size, density, mass
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| List examples of chemical properties. | Flammibility, reaction with air, reaction with water, reaction with vinegar
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| What has more in common - groups or periods? | Groups
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| What do periods have in common? | Same number of electron shells
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| What do groups/families have in common? | Similar chemical and physical properties
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| What happens when chlorine combines with sodium? | Soduim loses an electron to chlorine - they combine to form sodium chloride NaCl
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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:
hgorman
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