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13 Cards in this Set

  • Front
  • Back
what three substomic particles make up atoms?
Protons
nuetrons
electrons
Atoms
what are the building blocks of elements?
The number of protons are the same as the number of electrons or nutrons
electrons
a molecule is 2 or more of what that is held together by a chemicle bond
atom
what is an ionic bond?
when atoms either give up or take on electrons
what is a covelent bond?
when atome share electrons in order to be stable
Hydrogen Bond is a weak or strong bond?
what is an example of this bond?
Weak
Water molecules
What are three types of chemical reactions?
synthesis,
decomposition
exchange (displacement)
What does synthesis mean?
to Make
what kind of reaction is it When atoms or molecules combine to form a more complex molecule A+B=AB
synthesis reaction
what kind of reaction is it When a molecule is broke down into smaller molecules or atoms?
Decomposition reaction
what kind of reactions occur when bonds are broken and made
exchange or displacement reaction
what is the usable energy in the body
ATP