Chemistry
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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Atom | smallest piece of matter that has the same properties of the element it is in
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proton | A positive + subatomic particle in the atoms nucleus. the identity of the element & atomic number
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Neutron | A neutral subatomic particle in the atom's nucleus....has no charge & most of the mass
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electron | A negative subatomic particle spinning outside the nucleus of an atom. Tiny!
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element | The simplest forms of matter that contain only one type of atom
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periodic table of elements | A chart that organizes all the elements by atomic number & properties
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Valence Electron | The electron in the outer level of an atom that causes atoms to bond together
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Chemical bond | An interaction that holds 2 atoms together
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Chemical Formula | A shorthand way to use chemical symbols and nummbers to represent a substance
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Subscript | Small number to the right of the element that shows how many atoms there are of an element
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Coefficient | the large number that multiplies atoms of the element
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Chemical Equation | Uses symbols to show the relationship between the reactants & the products
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Molecule | 2 or more atoms joined in a definite ratio
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Diatomic Molecule | A molecule made of 2 atoms of the same element
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law of conservation of mass | States that matter is neither created notr destroyed in a chemical reaction
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Crystal lattice | Repeating 3 dimensional pattern that forms when ions bond
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Covalent bond | the type of bond that forms when atoms share electrons instead of transferring them
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Metallic bond | A special bond between metal ions and the electrons that swim around in them
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Malleability | metals can be pounded into thin sheets
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Ductility | metals can be stretched into wires
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Conductivity | metal can conduct electricity and heat
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electron dot diagram | An easy way to show the valence electrons in an atom or chemical bond
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compound | A set of elements that are chemically bonded and changed into new substances
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Synthesis reaction | when two or more substances combine to crete one new compound
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Decomposition reaction | a reaction where a single compound breaks down to form 2 simpler substances
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single-displacement reaction | one element replaces another element in compound leaving a new compound and one element
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double-displacement reaction | the two metal ions in two compounds switch places in a chemical reaction
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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:
lemedian1
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