Flashcards in science: chpt. 6 test Deck (26):
Large molecules that are formed by joining smaller molecules
Substance releases H+ in water
Measures the concentration of H+ in a solution
Left —> Right
Reactants —> Products
A ________ uses van der Waals forces to climb
Same element with a different number of neutrons
+=because it's positive
-=because it's negative
n *insert degree sign*
*degree sign*=because it has no charge
DO NOT WRITE: zero charge
It's neutral charge or no charge
A weak interaction of hydrogen, fluorine, oxygen, or nitrogen atom
Molecules with an unequal distribution of charge
Pure substances made of one kind of atom
Formed by the sharing of electrons
How do enzymes influence a reaction?
Reduce activation energy
A hydrogen bond forms between a hydrogen molecule and _________ of another molecule
When paper burns in a fire, what are some reactants?
Give examples of solutions.
Tea, kool-aid, saltwater
Give examples of colloids.
Milk, paint, blood, sour cream
What happens to pH and H+ concentration when an acid is in water?
pH goes down, H+ concentration goes up
How many bonds can carbon form?
If an atom has 18 protons, how many electrons does it have?
How many atoms are in: CO2, C6H12O6
How many valence electrons are in: Group 17, Group 16, Group 1, Group 2
G 17 (seven)
G 16 (six)
G 1 (one)
G 2 (two)
*Only applies to Groups 1, 2, 13-18
What elements are in carbohydrates?
Carbon, hydrogen, oxygen
What macromolecule contains you genetic information?