Grade 10: Science
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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| Atomic structure | The atom is a basic unit of matter that consists of a dense, central nucleus surrounded by a cloud of negatively charged electron.
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| Electron Structure | Way of accounting for the shape of an electron cloud. Indicates which orbitals are occupied. 2,8,8,8,8,8,8 etc...
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| Bohr Rutherford diagrams | Diagrams
middle: nucleus with # of positive molecules
rings: Electrons (2,8,8,8,8,8,8 etc...)
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| Binary Compound | Chemical compound composed of only two elements.
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| Polyatomic Compound | A charged ion composed of two or more atoms covalently bonded.
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| Covalent Bond | A chemical bond that involves sharing a pair of electrons between atoms in a molecule.
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| Ion Formation | Ion formation is the gain or loss of electrons from the outer valence level of an atom so that it acquires a negative or positive charge the value of which is determined by the number of electrons gained or lost.
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| Ionic Bonding | An ionic bond is a type of chemical bond that involves a metal and a nonmetal ion.
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| Synthesis Reaction | A chemical reaction n which two or more reactants combine to produce a new product.
A+B->AB
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| Double Displacement | A chemical reaction in which the positive ions of two different compounds exchange places; results in the formation of two new compounds, one of which may be a precipitate.
AB+CD->AD+CB
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| Single Displacement | A chemical reaction in which one element takes the place of another element in a compound.
A+BC->AC+B
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| Decomposition | AB>A+B
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| pH | A measure of hydrogen ion concentration.
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| pH scale | A numerical scale ranging from 0 to 14 that is used to classify aqueous solutions as acidic, basic or neutral. 0-7 is acidic, 7-14 is basic. 7 is neutral.
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| Acids | A compound that produces hydrogen ions, H+(aq), when dissolved in water
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| Bases | A compound that forms hydroxide ions, OH-(aq), when dissolved in water.
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| Neutralization | The reaction of an acid and a base to produce a salt and water.
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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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