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Chemistry Test #1 Semester 2
Terms in this set (10)
what value is equivalent to a mole of a substance?
gram formula mass
what are always the products of a combustion reaction?
h2o and co2
what is a molecular formula? empirical?
a formula written to the exact number of molecules. a formula written in its simplest form.
what is a single replacement reaction?
usually involving an elemet and a compound. a more active metal/nonmetal teplaces a less active metal/ nonmetal. only metals replace other metals. only nonmetals replace othet nonmetals.
what is the only nonmetal that replaces a metal in a replacement reaction?
a balanced chemical equation has the same amount of atoms on both the reactant and product side due to what law?
the law of conservation of matter states that matter cannot be created or destroys.
in what table is the activity series found and what is its purpose?
table j. materials higher up on the table are more reactive than elements lower. read vertically.
what is an element called when it has 4 atoms in a compound?
tetra (insert element bame here)
how are compounds named?
when an element has more than 1 oxidation states it can bod with any nonmetal in more than one way.
criss cross method. criss cross oxidation states then simplify. a metal with only pne o state does jot apply this method.
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