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100
Makes up the mass number of an element
What are protons and neutrons?
100
The four elements that make up 96% of living matter
What are Carbon, Oxygen, Nitrogen, and Hydrogen
100
Number of protons in an element
What is atomic number?
100
A slight negative charge at one end of one water molecule and a slight positive charge of another water molecule
What is hydrogen bond?
100
Has same number of protons but different number of neutrons
What is an isotope?
200
Type of bond that holds water molecules together
What is polar covalent bond?
200
The number of covalent bonds an atom can make
What is valence?
200
Unit that is basically equal to atomic mass unit
What is dalton?
200
Elements that are required by an organism in only minute quantities
What trace element?
200
When a molecule is attracted to another molecule of the same element
What is cohesion?
300
Amount of heat required to raise the temperature of one kg of water by 1 degree celsius
What is kilocalorie?
300
Temperature at which water is its most dense
What is 4 degrees celsius
300
Number of times stronger that an acid with a pH of 3 is than an acid with a pH of 6
What is 1,000?
300
Study of carbon compounds
What is organic chemistry?
300
Number of covalent bonds carbon can form
What is 4?
400
Isomers that are mirror images of each other
What is an enantiomer?
400
Isomer that has variations in arrangement around a double bond
What is geometric isomer?
400
Often listed as an "insoluable" fiber?
What is cellulose?
400
The pH of a solution with a hydroxyl [OH-] concentration of 10 -10
What is 4?
400
The chemical mechanism that makes polymers from monomers
What is dehydration reaction?
500
If looking at the molecular structure of a lipid, how could you tell if it was an unsaturated or saturated fatty acid?
What is looking for a double bond?
500
Reason why hydrogen has a high specific heat
What is energy must be used to break hydrogen bonds?
500
An element has an atomic number of 7 and an atomic mass of 14. Therefore it must have approximately _____ daltons.
What is 14?
500
The reason for an electron moving to an electron shell further away from the nucleus
What is absorbing energy?
500
The reason some elements are chemically inert
What is a full outer (valence) shell?
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