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Grade 10 Chem overview
Description
Grade 10 Chemistry Mind Map on Grade 10 Chem overview, created by ilovelionz on 10/10/2013.
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grade 10 chemistry
grade 10 chemistry
Mind Map by
ilovelionz
, updated more than 1 year ago
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Created by
ilovelionz
almost 11 years ago
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Resource summary
Grade 10 Chem overview
Metals
form cations (think cat on a steel beam)
Multivalent elements
cations can have diff # of valence electrons, still be stable
can form 2 diff compounds w/ a non-metal
Ex. CuCl and CuCl2
copper (I) chloride
copper (II) chloride
Which is it?
Undo crisscross
check that non-metal has the right charge (subscripts might be reduced)
Ionic bond
Attraction between opposite electrostatic forces
Divide subscript by GCM
Non-metals
Form anions (steal electrons, therefore evil)
Polyatomic ions
stable group of atoms with overall electric charge
Molecules
behave like single ion in ionic compound
only form in presence of a metal
except ammonium (+)
Naming
polyatomic: first (non-oxygen) element "ate"
normal ionic compound naming
Except OH (hyrdoxide), NH4 (ammonium)
Formula
crisscross, but treat polyatomic as one element with one charge
Molecule
two or more covalently bonded atoms (typically non-metal)
atoms share unpaired electrons
if no unpaired left, a pair may swing up to be shared
molecular elements- HOF BrINCl
diatomic elements mostly halogens
Molecular compounds
Compound-diff elements
NEVER reduce subscript
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