1st semeter vocab
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 a proton? | A proton is a positive charged particle found in the nucleus of an atom
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| What is a neutron? | A neutron is a neutral(no charge)particle found in the nucleus of a atom
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| What is a electron? | A electron is a negative charged particle found in a electron shell of a atom
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| Define valence electrons. | Valence electrons are found on the outer shell.All elements in the same group have the same # of valence electrons.
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| When should you use safety goggles? | You should use safety goggles when heating liquids,working with chemicals,and when a teacher tells you to
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| When do you use a petri dish? | For growing microrganisms
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| When do you use tongs? | when picking up hot objects
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| When do you use test tubes? | to hold small amounts of liquids or chemicals
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| What is a element? | It is a substance made entirely from one type of atom
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| What is a periodic table? | It is a table with elements arranged by atomic number and mass in rows
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| Define group. | The rows are vertical.All elements in the same group have the same chemical properties and the same number of electron shells.
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| Define period. | The rows are horizontal.All elements in the same peroid have the same number of electron shells
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| Define Newton's First law | An object will stay at rest or in motion unless acted upon by a unbalanced force
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| Define Newton's Second law | A force acted on by a unbalanced force will accelerate in the direction of the force. Force = Mass x Acceleration
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| Define Newton's Third law | forces always act in a equal but opposite reaction
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| What is the Law of Consevation of Mass? | It states that matter is neither created nor destroyed
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| What is a chemical equation? | It is a shorthand form of writing that shows what reactants and products are formed in chemical reaction
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| What is the reactant? | Substance that exists before chemical reaction
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| What is the product? | Substance that forms as a result of a chemical reaction
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| What is inertia? | when an object's tendency to remain at rest or keep moving with constant velocity.Depends on mass
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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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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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