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35 Cards in this Set

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CaCl2
calcium chloride

binary salt
HI
binary acid
valence electrons
outer-most electrons

it's the same number as the group A column number
KNO3
ternary salt
NaOH
strong base
MgBr2
binary salt
ion
charged particle
ionic bond
bond formed between 2 different ions (a positive and negative join)
Al2(OH)3
binary base
N2O5
covalent compound
electronegativity
the affinity (or 'stickiness') of something for electrons

something VERY electronegative loves electrons
covalent bond
bond formed by sharing electrons

formed by elements with similar electronegativities
HNO3
ternary acid
what is a 'salt'?
a compound formed between metals and non-metals (the 2 different sides of the periodic table)
SiO2
covalent compound
Cr2O3
binary salt

Cr likes to be a positive ion
KOH
strong base
CO
covalent compound
SO3
covalent compound
AgCl
binary salt
ClF2
covalent
SnS2
binary salt

lots of SSS like Salt
NaCl
binary salt
HF
binary acid
Cu(OH)2
base
What are the 3 key questions to ask when analyzing matter?
1. Is the sample uniform througout (different phases)?
2. Can it be separated using only physical means (heating, cooling etc.)?
3. Can it be separated using chemical means (chemical reactions)?
Is the sample uniform?
Yes: homogeneous sample

No: heterogeneous sample
Can it be separated using only physical means?
Yes: (homogeneous) MIXTURE

No: pure substance
Can it be separated using chemical means?
Yes: compound

No: element
what do the rows of a periodic table represent?
the periods
what do the columns of a periodic table represent?
the groups or families of elements
what are the 3 kinds of energy?
1. potential
2. kinetic
3. radiant
what are the 2 kinds of potential energy?
1. chemical (bomb, explosion - chemical energy is released as fire and heat)
2. gravity
what are 4 types of kinetic energy?
1. electrical
2. thermal
3. mechanical
4. sound
what are 7 examples of radiant energy?
radiant energy = electromagnetic waves

1. x-ray
2. gamma ray
3. UV
4. visible
5. infrared
6. microwave
7. radio waves