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The flashcards below were created by user
GroupB
on FreezingBlue Flashcards.
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Anything that has weight and takes up space? It is also composed of elements.
Matter
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This is the study of composition of substances and how they change?
Chemistry
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The study of chemistry in living things is?
Biochemistry
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The fundamental substances which comprise all matter and composed of atoms is?
Elements
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What are chemical combinations of elements?
Compounds
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These are elements needed by the body in large amounts?
Bulk elements
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These are elements needed by the body in small amounts and used for parts of enzymes?
Trace elements
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These elements are needed by the body in very small amounts and are toxic in large amounts?
Ultratrace elements
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Smallest particle of an element that has properties of that element is?
Atom
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When atoms combine with atoms like themselves or with other atoms by forcing attractions, it is called?
Chemical Bonds
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The central portion of an atom and has no weight? It also contains protons and usually neutrons.
Nucleus
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These are located circling around the nucleus and carries a negative charge?
Electrons
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These are located in the central portion of an atom and carries a positive charge?
Protons
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These are located in the central portion of an atom and are electrically neutral?
Neutrons
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The number of protons in the atoms of a particular element are known as what?
Atomic Number
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This is the number of protons added to the number of neutrons in each of an elements atom?
Atomic weight
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These are atoms with the same atomic number but different atomic weight? (Different # of neutrons).
Isotope
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