HOW THINGS WORK – ACCORDING TO CHEMISTRY! FROM THE: QUANTUM WORLD NEUTRONS PROTONS ELECTRONS...
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HOW THINGS WORK – ACCORDING TO CHEMISTRY! FROM THE: QUANTUM WORLD NEUTRONS PROTONS ELECTRONS ATOMS/ELEMENTS ELECTRON CONFIGURATIONS PERIODIC TRENDS
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Transcript of HOW THINGS WORK – ACCORDING TO CHEMISTRY! FROM THE: QUANTUM WORLD NEUTRONS PROTONS ELECTRONS...
HOW THINGS WORK – ACCORDING TO CHEMISTRY!FROM THE:
QUANTUM WORLD
NEUTRONS PROTONS ELECTRONS
ATOMS/ELEMENTS
ELECTRON CONFIGURATIONSPERIODIC TRENDS
ATOMS/ELEMENTS ELECTRON CONFIGURATIONS
PERIODIC TRENDS
COMPOUNDSBONDING
____________________________________
So many unanswered questions!
ATOMS/ELEMENTS ELECTRON CONFIGURATIONS
PERIODIC TRENDS
COMPOUNDSBONDING
MOLECULAR SHAPE & POLARITY
SOME QUESTIONS THAT CAN BE
ANSWERED WITH MOLECULAR SHAPE AND POLARITY
Why do flowers smell differently from popcorn?
Receptors for different smells have different
____________and
______________
How does caffeine work?
Why is water
essential to life as we know
it?
One reason: because of water’s bent shape, its polarity (and H-bonding) --- When water freezes, it gets
___________________
___________________
unlike almost all other substances.
LIQUIDWATER
ICE
Ice ________________ on liquid water - instead of _______________
Fish under Arctic ice Courtesy of NOAA
LAKE: A LAKE: BIce is more dense Ice is less densethan liquid water than liquid water These lakes are in northern Canada!
If liquid water was less dense than ice, the pond would
Because ice is less dense than liquid water
REAL-LIFE KNOWLEDGE
OF SOME COMMON
COMPOUNDS
METHANE GAS (CH4) is natural gas
Cow flatulence contains __________
Methane is a potent
_____________________________
Greenhouse EffectMuch of the sun’s heat_______________________________________A GREENHOUSE keeps the heat from_____________
The result:____________________________________This is a picture of glaciers melting in Greenland. They’re melting faster than the most extreme models of climate change said they would!
ETHANOL -C2H5OH
Ethanol is an _____________.
It is the type that ___________
_________________________
What makes it an __________
is the functional group _____
In an ionic compound, OH is
_______________________
In a molecular compound, OH is
____________________________
Ethanol is a _____________________used in cars. This is good because
_______________________________
This is bad because ______________
_______________________________
_______________________________
Why should you know all this?One reason: your decisions impact you – and our world!
