Post on 05-Jan-2016
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Biology CPA
Round Two - Biochem
Miss Colabelli
100 100
200 200
400 400
300
400
Carbs Lipids Protein Nuc. Acid
300 300 300
200
400
200
100
500 500 500 500
100
ph, 100
Neutral solution
What type of solution do you get when you add a strong acid and a strong base?
Atoms, 100
Element
This is a substance that only contains one atom and can not be broken down further.
Bonding, 100
Hydrogen bonds
Water molecules form what type of bonds when surrounded by each other?
Water, 100
1 oxygen atom2 hydrogen atoms
What atoms make up a water molecule?
pH, 200
Stay Blue
In an acid base test, the blue litmus paper will turn what color in a basic solution?
Atoms, 200
Radioactive
What kind of isotope can be used as a tracer for determining ages for rocks and fossils?
Bonding, 200
4 Electrons
Double covalent bonds share how many electrons?
Water, 200
There is no net charge - zero
What is the net charge of the water molecule?
pH, 300
The concentration of H+ ions in a solution of distilled water.
What is pH the measure of?
Atoms, 300
Suspension
When added to milk, cereal does not dissolve evenly. What is the name of this type of mixture?
Bonding, 300
Covalent
If there are 6 electrons in the outer shell of an atom what type of bond are they most likely to form?
Water, 300
6 electrons
How many valence electrons does oxygen have?
pH, 400
Electron
In water, what does the hydrogen atom donate to the OH atom in order to create an ion?
Atoms, 400
Solute
You added NaCl to a boiling water and created a solution. The salt in this example is known as the…
Bonding, 400
Compound
What is formed when a substance is formed by the combination of two or more elements?
Water, 400
4 electrons
The oxygen atom in water shares how many electrons with the two hydrogen atoms?
ph, 500
K+ and OH- ions
A strong base, KOH, would dissociate into what ions when added to water?
Atoms, 500
van der Waals forces
What is the name of the force that explains intermolecular attraction between partially negative and
positive atoms?
Bonding, 500
Gain 1 electron and become a negative
ion.
Fluorine has 7 electrons in its outer most shell.. What does it need to do in order to become stable?
Water, 500
When the positive hydrogenatom of one water molecule is
attracted to the negative side of the oxygen atom of another
water molecule
When does hydrogen bonding occur?