mostly atoms
a cation has this charge
positive
type of bond between oxygen and hydrogen in a water molecule
polar covalent
meaning of amphipathic
hydrophobic and hydrophilic
equation to find pH
pH=-log[H+]
Scooby Doo
Shaggy
Velma
Daphne
Fred
to make a cation, an atom must ____
lose an electron/give away an electron
type of interaction between water molecules
hydrogen bond
true/false: in nonpolar bonds, atoms share electrons equally
true
acidic pH range
1-7(ish)
the best High School Musical movie
High School Musical 2
type of bond that holds NaCl together
ionic
a water molecule sticking to a leaf is an example of this
adhesion
number of bonds that carbon can make
4
adding bases do this to the pH
increase it
Team Peeta or Team Gale
Team Peeta
atoms that have same number of protons but different numbers of neutrons
isotopes
the oxygen in a water molecule has a _____ charge
(hint: think polar covalent bond)
partial negative
the four types of macromolecules
nucleic acids
carbohydrates
lipids
polypeptides/proteins
buffers do this
minimize pH changes
the name of Bradley's mascot, and what species(?) it is
Kaboom, a gargoyle
Challenge: why is the mass number on carbon on the periodic table not a whole number?
it's the average mass number on all carbon atoms (not all carbon atoms have the same number of neutrons)
life can survive in a lake that is frozen over because...
ice is less dense than water, and it can insulate the water below it, protecting the life from the cold
the suffix -ose generally indicates what about a molecule?
it's a sugar
how much more acidic is a solution with a 10-3M H+ concentration than a solution with a 10-6M H+ concentration?
1000 times more acidic
name something a burglar would not want to see when he breaks into a house
naked grandma