Miscellaneous 1
Miscellaneous 2
Atoms
Macromolecules
Chemical Reactions
100
Which is a form of carbon used for pencil lead?
A. diamond B. Fullerene C. Amorphous D. Graphite
Graphite
100
Which of the following is a polar bond?
O-O
H-O
F-F
O-H
100
Molecule?
100
What is a macromolecule
A term used for polymers that are usually the building blocks for biological matter.
100
This is the name of the new substance that is created after a chemical reaction.
What is a Product?
200
What is the difference between a saturated and unsaturated solution.
A saturated solution contains all the solute that it can hold and an unsaturated solution can hold more.
200
List two things that can change the speed of a chemical reaction.
Enzymes, Catalyst, Inhibitor, Concentration, Temperature?
200
What type of bond occurs when one atom donates its electrons to another?
What is ionic bonds?
200
When amino acids link together they form what?
Proteins
200
Define activation energy.
Energy required to start a chemical reaction.
300
The columns of the periodic table are called groups. They are arranged this way because they have the same number of what type of electrons.
What is Valence Electrons?
300
The Bohr model places electrons in fixed shells around the nucleus of an atom, but this is not the most accurate model. In the most accurate, most modern atomic model, what is the name of the place where electrons reside?
Electron cloud
300
The atomic mass is the sum of these 2 sub-atomic particles.
What are Protons and Neurtons?
300
Define nucleic acid and give two examples.
Macromolecule used to code for genes. DNA and RNA
300
This type of reaction is occurs when two elements combine to create a new substance.
What is a Synthesis Reaction?
400
What type of ions do bases and acids produce in water.
Acids - hydronium
Bases - hydroxyl
400
Which electrons are hardest to remove from an atom: A. ones closest to the nucleus B. ones in the middle of the nucleus and outermost ring C. ones on the outermost ring
a
400
Which is the strongest type of radioactivity?
gamma?
400
Lipids contain bonds that are UNEQUALLY shared, what type of bonds are these.
Polar covalent bonds
400
This type of reaction is when a substance is broken down into its original elements or compounds (Ex. hydrogen peroxide breaks into water and oxygen)
What is Decomposition?
500
List the following in order of the ph table: pure water, hydrochloric acid(HCl), sodium hydroxide (NaOH), soap, vinegar
HCl, vinegar, water, soap, NaOH
500
Explain the difference between all three types of radioactivity?
Alpha emits neutrons and protons, beta emits electrons, gamma emits rays?
500
List these scientists in order of contribution starting from earliest to latest. Thomson, Dalton, Democritis, Bohr, Rutherford, Mendeleev
Democritis, Dalton, Mendeleev, Thomson, Rutherford, Bohr
500
Which macromolecules make up your hair, nails, organs, blood and immune system.
proteins
500
This type of reaction is when 2 compounds break apart during a chemcial reaction and replaces atoms with one of the other 2 elements.
What is Double Replacement?