Download What is the basic unit of matter?

What is the basic unit of matter?
a.
b.
c.
d.
nucleus
cell
proton
atom
Identify the three particles that
make up an atom and their
location by drawing a Bohr model
of a Beryllium atom.
How are isotopes identified?
a.
b.
c.
d.
By number of protons
By number of electrons
By mass number
By atomic number
What type of ion forms when an atom
loses an electron?
a. Anion
b.Cation
c. Neutral ion
d.Negative ion
What is different about the following?
C-12
C-13
C-14
What are the 2 main types of
chemical bonds?
How does each type of bond form?
Balance the equation and identify the reactants
and products .
__ H2
+ __ O2  __ H2O
_______________  ______________
What are the electrons called in the
outermost energy level?
a. Subshell electrons
b. Unstable electrons
c. Valence electrons
d. Bonding electrons
Give two examples of evidence of a
chemical reaction.
How do you know a reaction
happened in the liver enzyme lab?
(What evidence did you observe?)
Why are water molecules
considered polar?
Name the 4 classes of organic
compounds.
What are the building blocks of
proteins?
a. Nucleic acids
b. Amino acids
c. Polypeptides
d. carbohydrates
What is the job of a catalyst?
a. Slow down a reaction
b.Speed up a reaction
c. Change products to reactants
more quickly
d.Increase the activation energy
Name 2 factors that affect enzyme
activity.
Test Tuesday over
Chapter 2
STUDY!!!!
Be sure to review…
• Notes from the chapter
• Read the chapter
• Milk lab- different organic compounds, +/results, calculations
• Liver enzyme lab-how does change in Temp
affect enzyme ability/Oxygen production?
• Water molecules-cohesion/adhesion
• Enzyme activity as a lock and key