Bonds
In what type of bond is there a transfer of electrons?
Ionic
If a substance's pH is 7, is it basic, acidic, or neutral?
Neutral
When something HATES water.
What is the mass number for 126C?
12
What holds matter together?
electrical charges
In what type of bond is there an equal sharing of electrons?
Non-polar covalent
If a substance's pH is 13, is it acidic, basic or neutral?
basic
A substance that is able to dissolve other substances.
Solvent
How many protons does 3015P have?
15 protons
What 4 elements make up 95% of our body mass?
Carbon, Hydrogen, Oxygen, and Nitrogen (CHON)
What type of very weak and breakable bond occurs BETWEEN molecules?
hydrogen bonding
what is another word for basic?
alkaline
Minimizes fluctuations in pH.
Buffers
How many neutrons does 146C have?
8 neutrons
What are the characteristics of all cells?
biochemical, structural, and metabolic
UNEQUAL sharing of electrons
polar covalent bond
What ion is abundant in acidic substances?
H+ (hydrogen ions, AKA protons)
When something has both hydrophobic and hydrophilic regions.
Amphipathic
126C, 136C, 146C: These are examples of what?
isotopes
What is the property of water that allows it to stick to itself?
cohesion
What is released when bonds are broken?
energy!
What ion is abundant in basic substances?
OH- (hydroxide ions)
What are atoms of the same element called when they have a different number of neutrons?
isotopes
What is the equation for pH?
pH = -log[H+]
What type of rection involving water helps to synthesize larger molecules?
Dehydration/Condensation