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Fall Sem Chem Final Pt. 1
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Direct combination reaction is
2 or more reactants combined to form a compound
Single replacement reaction is
Single, uncombined element replaces another element in a compound
Decomposition reaction is
A compound breaks down into at least 2 smaller compounds or elements
_______________ _____________ ranks element in order of ability to replace one another in compounds
Reaction bonds
Molecular geometry of BCl
3
is
Trigonal Pair
CO
2
hybrid orbitals are
SP?
_______ are polar molecules with charged ends.
dipole
Formula for copper(II) choride =
CuCL
2
Chemical name for rust is
Iron(III)Oxide
4f elements are
Lanthanides
_________ elements contain metals and nonmentals
metalloids
_________ makes up most of the Earth's atmosphere
nitrogen
_______ is the most abundant element on earth
oxygen
An ion is formed when___________
atoms lose or gain electrons
When calcium becomes an ion, it _________________ ____ e-
loses 2 e-
In an ionic bond N achieves an octet by __________ ____ e-
gaining 3
Draw Lewis dot diagram for nitrogen
"n" with 7 dots around it
________ is the suffix of monoatomic anions
ide
Ionic bond is __________ of e-, covalent bond is _________ of e-
transferring; sharing
O-O is a __________ __________ __________ bond.
single covalent bond?
Formula of ammonium phosphate if _____________
(NH
4
)
3
PO
4
Formula of iron (II) sulfate is
FeSO
4
Formula of phosphorus pentacholoride is
PCl
5
_________,____________,__________ make up an atom
electron neutron proton
Atomic number is
# of protons
Atomic mass number is _________________
Protons + electrons
___________ ____________ determines element's identity
atomic number
An ion always contains
different # of e-
Atoms with same # of protons, but different # of neutrons is _______
isotopes
_____________ ______ force holds protons together
_____________ ___________ force holds protons together.
Alpha particle is ______________
a
There are fundamental "pieces" of energy called Quantum.
Planck's Theory
Light has properties of _________
waves and particles
Brightness of light depends on its _____________
amplitude
Speed of light is
3.0 x 10
8
m/s
____________ have the longest wavelength
radio
_____________ first proposed quanta
Planck
______________ are quanta of light.
Photons
When an element is vaporized in a flame, it releases energy in the form of ______________.
light of only certain wavelengths
_____________ discovered radioactivity
Becquere
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Author
gerardcb
ID
59727
Card Set
Fall Sem Chem Final Pt. 1
Description
final
Updated
2011-01-14T05:23:25Z
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