Transcript Chemical Jeopardy PPT

Atomic
Structure
Bonding
Water
pH
Grab Bag
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This subatomic particle determines
chemical properties
What is the electron?
This subatomic particle controls an
elements physical properties
What is the proton?
This is the name for an element that
has added or lost a neutron.
What is an isotope?
The charge of an atom that has 114
protons and 117 electrons.
What is -3?
The percent of mass located in the
nucleus of an atom
What is >99%
A pure substance, formed by the
chemical combination of two or
more elements in definite
proportions
What is a compound?
The type of bond pictured above
(electrons are shared)
What are covalent bonds?
The type of bond
depicted in this cartoon
What are ionic bonds?
The names of three chemical
compounds, and their chemical
formulae
_____?
The type of attraction (relatively
weak) between oppositely charged
molecules
What are van der Waals forces?
This is the molecular property that
makes water have so many special
qualities
What is its polarity?
Because of their oppositely charged
ends, water molecules stick to each
other due to this type of bond
What is a
hydrogen
bond?
The phenomenon that occurs when
molecules of different substances
attract to each other
What is adhesion?
Demo Daily Double
The effect that makes this happen
What is capillary action?
In Kool-aid, this is the solvent
What is the water?
The pH of a “neutral” substance
What is pH 7?
The type of substance that contain
high concentrations of H+ ions
What are acids?
The approximate
pH of bleach
(plus or minus
1)
What is 13?
A weak acid or base that prevents
sharp changes in pH
What are buffers?
The formula for the breakdown of
water into its two ion constituents
What is
The chemical symbol for Helium
What is “He”?
The most abundant element in the
universe, by far
What is hydrogen?
The last element that can be forged
in a star before it blows up in a nova
What is iron?
The chemical symbol of gold
What is Au?
2 of the 4 groups of organic
compounds in all living things
What are carbohydrates, lipids,
nucleic acids, and proteins?