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100
Element required in only minute quantities
What are trace elements?
100
Atomic number of an atom
What is number of protons?
100
Property of water that allows an insect to walk across its surface
What is surface tension?
100
Substances that are repelled by water
What are hydrophobic substances?
200
Type of bond carbon forms with other atoms
What is covalent?
200
Number of valence electrons in a carbon atom
What is 4
200
Number of covalent bonds an atom can form
What is the valence of an atom?
200
The amount of water required to raise the temperature of one kg of water 1 degree Celsius
What is a kilocalorie?
200
Temperature of water at its most dense
What is 4 degrees Celsius?
300
The study of carbon compounds
What is organic chemistry?
300
Type of fatty acid that is liquid at room temperature
What is unsaturated fatty acid?
300
Type of carbohydrate that is an insoluble fiber
What is cellulose?
300
The four elements that make up the majority of living matter
What are C,H, O & N?
300
Type of reaction that makes polymers from monomers in cells?
What is dehydration reaction?
400
Type of isomer that has variation in arrangement around a double bond
What is geometric?
400
The amount of energy absorbed need to raise the temperature of a solvent
What is high specific heat?
400
Slightly positive hydrogen, covalently bonded to an atom, but is still attracted to another atom of another molecule
What is a hydrogen bond?
400
Belief that living things differed from nonliving things as a result of possessing a "life force"?
What is vitalism?
400
Specific type of bond that binds two hydrogen atoms to a single water atom
What is polar covalent bond?
500
The pH of a solution with a hydroxyl ion [OH-] concentration of 10 -10?
What is 4?
500
Atomic forms that have same number of protons but different number of neutrons
What are isotopes?
500
Term for when hydrogens are added to unsaturated fatty acids and made into saturated fatty acids
What is hydrogenation?
500
This happens to electrons when an atom absorbs energy
What is electrons move to a shell farther out from the nucleus
500
Isomers that are mirror images of each other
What are enantiomers?