Elements
Vermilion a red pigment used in inks & paints is made synthetically by reacting sulfur with this metal Hg
Mercury
Most types of E. coli work safely in your intestines; some even help make this blood-clotting vitamin
Vitamin K
A base receives these subatomic particles; acids give them up
Protons or Hydrogens
This letter & number precede SO4 in the formula for sulfuric acid
H2
A calorimeter measures the amount of this released or absorbed in a chemical reaction
Heat
The name of this group of elements that includes fluorine means salt-producing
Halogens
In osmosis a liquid passes through a barrier usually called a semipermeable one of these
Membrane
This state of matter is bypassed in sublimation
Liquid
This type of bond is formed by 2 atoms each contributing 1 electron to a shared electron pair
Covalent
When lemon juice is dropped on blue litmus paper the paper will turn this color
Red
This 2nd-lightest gas is the only element that can't be solidified by cooling at normal atmospheric pressure
Helium
Melvin Calvin won a 1961 Nobel Prize for mapping the chemical reactions in this plant process
Photosynthesis
Photo-degradation is chemical change affecting the usefulness of a material due to absorption of this
Light or Photons
The structural formula for water is HOH; HOOH is the formula for this solution that you might keep in your bathroom or first aid kid
Hydrogen Peroxide
In 2012 scientists actually achieved a temperature lower than -459.67 degrees Fahrenheit better known by this term
Absolute Zero
When placed in the flame of a Bunsen burner copper produces a blue flame; sodium this color
John Queeny founded the chemical company Monsanto in St. Louis in 1901 to make this sweetener
Saccharin (Sweet'N Low)
Used as a purification process it's the evaporation of a liquid & then the condensation of the vapor
Distillation
Alnico magnets are so named because they're alloys of aluminum nickel & this
Cobalt
Term for a substance that modifies & speeds up a chemical reaction without itself being affected
Catalyst
On TV these two symbols play a part on Breaking Bad but in chemistry they represent these two elements--one a toxic liquid the other a metal
Bromine and Barium
It's the most abundant protein in the human body; the animal kind is boiled to make gelatin
Collagen
Increasing the percentage of U-235 in a sample of uranium is called this process; Iran says it has the right to do it
Enrichment
If toluene reacts with nitric acid things get explosive with the compound known by these 3 letters
TNT
This chemist must have put other projects on the back burner when he discovered cesium in 1860
Bunsen