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