Ms Cambell Scinece
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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Electron Dot Diagram | An easy way to show the valence electron in an atom or chemical bond
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Compound | A set of elements that are chemically bonded and changed into new substances NaCl= salt
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Ductility | metals that can be stretched and drawn into into wires
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Malleability | metals can be pounded into thin sheets
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Metallic bond | A special bond between metal ions and the electrons that swim around them
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Conductivity | metal can conduct electricity and heat
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Covalent bond | The type of bond that forms when atoms share electrons instead of tranferring them
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Crystal lattice | Repeating 3 dimensial pattern that forms when ions bonds
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Atom | smallest peice 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. Is the identity of the element and a atomic number
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Neutron | A neutral subatomic particle in the atoms nucleus. Has no charge and 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 organized all the elemensts by atomic number and properties
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Valence Electrons | The electron in the outer most 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 Bonding | The joining of atoms to form new substances
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Ionic Bond | IS formed when electrons are transferred from one atom to another
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Ion | Charged particle of atom that gained or lost electrons
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Chemical Formula | A shorthand way to use chemical symbols and numbers to represent a substance (H20)
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Chemical Equation | Uses symbols to show the relationship between the reactants and the products C+02->CO2
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Subscript | small number to the right of the element that shows how many atoms there are of this element
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Coefficient | The large number that multiplies atoms of the element 2Cl+3Na
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Molecule | 2 or more atoms joined in a definite ratio keeps physical and chemical properties
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Diatomic Molecule | A molecule made of 2 atoms of the same element (ex oxygen atoms.
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Reactant | A substance or molecule that starts chemical reactions
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Product | The substance that forms as a result of a chemical reaction
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Law of Conversation of Mass | State that matter is neither created nor destroyed in a chemical reaction
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Synthesis Reaction | When two or more substances combine to create one new compound
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Decomposition Reaction | A reaction here a single compound breaks down to form 2 simpler substances
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Single- Displacement Reaction | One element replaces another element in compound and 1 element
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Double-Displacement Reaction | The 2 metal ions in compound switch places in a chemical reacton
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Indicator | Will change colors in the presence of an acid or a base
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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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