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two most important properties of matter
mass and volume
group 1
alkali metals
alkali metals
highly reactive, soft
group 2
alkali earth metals
alkali earth metals
reactive
group 17
halogens
halogens
non metals, very reactive
group 18
nobles gases
SI mass
kilogram
SI volume
liter, cubic meter
SI Length
meter
SI time
second
SI temp
kelvin
Accuracy
how close a measurement is to its true value
Precision
how consistent repeated measurements are
Conversation of Mass
Mass in conserved in reactions
Definite Properties
compounds have constant ratio of elements
multiple proportions
elements combine in whole number ratios
the size of an atom determined by…
outermost shell
valence electrons occupy which subshells
s and p
Crystallization
creates solids from a solution
Distillation
separates liquids by boiling
Filtration
separates solids and liquids
1 mL =
1 cm³
1 km = __ m
1000
1 m - __ cm
100
1 cm = __ mm
10
1 g = __ mg
1000
where are transition metals found
d block
groups 3-12
periods 4-7
where are lanthanides series found
f block
period 6
where are actinide series found
f block
period 7
how many electrons in s block?
2
how many electrons in p block?
6
how many elements in d block?
10
how many elements in f block?
14
Determines the order of filling orbitals
Aufbau’s Principle
left of zigzag line
metals
right of zigzag line
non-metals
on zigzag line
metalloids
Note 
Flashcard (28)