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AAMI INTRO TO CHEMISTRY UNIT #4 EXAM GUIDE QUESTIONS AND ANSWERS
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AAMI INTRO TO CHEMISTRY UNIT #4 EXAM GUIDE QUESTIONS AND ANSWERS
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AAMI INTRO TO CHEMISTRY UNIT #4EXAM GUIDE QUESTIONS AND
ANSWERS
Molecules - Answer-the smallest electrically neutral particle of any substance that can
maintain a stable existence.
Monatomic - Answer-this type of molecule is an element with 1 atom in its molecule.
Monatomic - Answer-what are most elements?
Diatomic - Answer-this type of molecule exist naturally as 2 atoms bonded together.
Covalent - Answer-what type of bonds hold diatomic molecules together?
Diatomic - Answer-what type of molecules are the halogens?
2 - Answer-what subscript must the diatomic molecules contain?
I2, Br2, Cl2, F2, O2, N2, H2 - Answer-what are the diatomic molecules?
Polyatomic - Answer-what type of molecules are a group of atoms that are bonded and
possess a charge?
Polyatomic - Answer-which type of molecules have more than 2 atoms present?
Polyatomic Ions - Answer-what is another term for polyatomic molecules?
Molecular Co-Efficient - Answer-the number that is written to the left of the symbol or
formula and applies to the element or entire compound that it is written next to.
Co-Efficient - Answer-the ___________ is distributed throughout the compound.
Molecular Co-Efficient - Answer-what tells us the number of molecules in the
compound, or the number of single elements that are present.
1 - Answer-when no coefficient is written it is understood that the coefficient is ______.
Multiply - Answer-if a subscript is present as well as a coefficient you _________ them
together to determine the total.
Molecular Weight - Answer-what is the sum of all the atomic masses that make up a
compound.
, The Number of Atoms Present, The Atomic Mass of Each Element - Answer-how do
you find the molecular weight of a compound of molecule?
Periodic Table - Answer-a table that shows the elements arranged in order to increasing
atomic number.
Periodic Functions - Answer-properties of the elements are ___________ of the atomic
number.
Periods - Answer-the horizontal rows of the periodic table are called?
Groups, Families - Answer-the vertical columns in the periodic table are called
__________ or ____________.
True - Answer-elements in the same group or family have similar properties because
they have the same number of valence electrons. T/F
Metals - Answer-_________ are electron donors.
Non-Metals - Answer-_________ are electron receivers.
Donors, Lose, Positively - Answer-metals are electron ______, they _________
electrons, to become ________ charged ions.
Receivers, Gain, Negatively - Answer-non-metals are electron ________, they
________ electrons, to become __________ charged ions.
Metalliods - Answer-what divides the metals from the non-metals on the periodic chart?
False - Answer-Halogens are included with the metals on the periodic chart. T/F
Salt Formers - Answer-halogens are known as ?
Inert Gases - Answer-what are noble gases known as?
False - Answer-noble gases have a valence of -1. T/F
Compound - Answer-a combination of 2 or more elements, chemically combined in
definite proportions by weight.
Binary Ionic - Answer-are those compounds that are made up of 2 elements joined with
an ionic bond.
Metal, Non-Metal - Answer-in order for an ionic bond to form there needs to be a
combination of __________ and a __________.
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