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Text Questions

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Term
Definition
Matter   Anything that has mass and takes up space  
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Element   Substance consisting of atoms which all have the same atomic number/ same number of protons  
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Compound   A substance formed when 2 or more chemical elements are chemically bonded together  
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Atom   Smallest unit of matter  
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Nucleus   The central part of an atom that contains protons and neutrons  
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Protons   Positively charged atom found in the nucleus  
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Neutrons   Neutrally charged atom found in the nucleus  
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Electrons   Negatively charged atom found floating around the nucleus  
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Energy Level   The fixed energies an electron can have  
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Valence Electrons   Electrons found on the outermost shell of an atom  
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Atomic Number   The number of protons in the nucleus of an atom  
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Period   Horizontal row of elements that have the same number of shells  
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Group   Vertical columns of elements that share similar characteristics  
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Ion   Atoms with a charge  
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Polyatomic ion   2 or more atoms covalently bonded  
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Ionic Bond   A chemical bond between 2 ions with opposite charges (e.g. NaCl)  
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Subscript   The number of atoms in a molecule (H2O. There are 2 hydrogen atoms)  
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Chemical Formula   Tells the number of atoms of each element in a compound.  
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Created by: booknerd237
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