Atoms
Bonds
Acids/Bases
Water Properties
Macromolecules
100
Elements
What are basic substances that compose all matter?
100
Ions
What are particles that are charged as a result of losing or gaining an electron or electrons?
100
Basic
A substance with a pH greater than 7 is considered _____.
100
Solvent
Water is considered the universal _______.
100
Carbohydrate
Glucose is an example of a ______.
200
Protons, Neutrons, and Electrons
What are the three subatomic particles that make up an atom?
200
Ionic Bond
What is a strong attraction between positively and negatively charged ions?
200
6
What is the pH of a substance with a [H+] of 0.000001?
200
Hydrophilic
Molecules that attract water are considered to be ______.
200
Lipids
Steroids are examples of _____.
300
Mass Number
What is the sum of the protons and neutrons in the nucleus of an atom?
300
nonpolar covalent bond
What is a bond where two atoms share their valence shell electrons equally?
300
High
An acidic solution would have a _____ H+ concentration.
300
Cohesion
What is the ability of water molecules to "cling" to each other?
300
Amino Acids
Nucleotides:Nucleic Acid::_______:Protein
400
Isotopes
What are atoms of the same element, but different amounts of neutrons?
400
polar covalent bond
What is a bond where two atoms share their valence shell electrons unequally?
400
Buffer
What is a chemical that keeps pH in normal limits?
400
High Heat Capacity
Water's _______ allows the ocean to stay in liquid form and not all evaporate.
400
polypeptide
What is a chain of amino acids joined together by peptide bonds?
500
The Octet Rule
This rule states that an atom is most stable when it has eight electrons.
500
Polar
An atom that is non-symmetrical causes the atom to be _____.
500
H+
Substances that create acidic solutions would release what ion?
500
less
Frozen water is ____ dense than liquid water.
500
Lipids and Proteins
A carboxyl is present in which two macromolecules?
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