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Basics of Chemistry
Water properties & pH
Bonds & Chemical Reactions
Macromolecules
pH
100
Anything that has mass and takes up space
What is matter?
100
The type of substance releases H+ ions in solution.
What is an acid?
100
The bond that forms when electrons are SHARED.
Covalent bond.
100
Macromolecules are organic compounds because they all contain this element.
What is carbon?
100
The substance realease H+ ions when in solution.
What is an acid?
200
A pure substance made of ONE KIND OF ATOM that cannot be broken down chemically is known as
An element
200
This property of water allows the body cool itself quickly and efficiently.
What is the high heat of vaporization?
200
The bond that forms when an atom GAINS or LOSES electrons to another atom.
Ionic bond
200
This macormolecule gives flexibility and fluidity to the cell membrane
What is cholesterol?
200
This substances releases OH- ions when in solution.
What is a base?
300
A mixture within the body
What is blood?
300
Water is sometimes referred to as the universal solvent. This structural characteristic causes ionic compounds to disassociate in water.
What is polarity?
300
In a chemical reaction, the STARTING/ORIGINAL materials are called the _____________.

The NEW/ENDING materials are called the _____________.

Starting/original materials = reactants

New/ending materials = products

300
This molecule has the simplest ring structure.
What is a monosaccharide?
300
On the pH scale, a substance with a pH of 0-2
What is a strong acid?
400
A chemical reaction in which bonds are formed
What is a synthesis reaction?
400
pH scale measures this.
What is the relative concentration of H+ ions?
400
A weak chemical bond between a slightly (+) part of a hydrogen atom and a slightly (-) charged part of another molecule.
What is a hydrogen bond?
400
This macromolecule has the monomer of a glycerol + 3 fatty acids chains.
What is a lipid?
400
The pH scale actually measures this
What is the concetration of H+ ions?
500
Explain where the 3 subunits of an atom are found AND their charges.
INSIDE the nucleus of an atom: --Proton (positive charge)

--Neutron (neutral charge)

OUTSIDE the nucleus of an atom: -- Electron (negative charge)

500
Water's has a number of unique properties makes it important to life.

It surrounds, is found inside, and influences the shape of the membrane of all ____ in every living thing.

cells
500
In a chemical reaction, energy is _____________ or ____________ as chemical bonds break and new bonds form.
Energy is ABSORBED or RELEASED
500
DNA and RNA, which store heriditary info, are examples of this macromolecule.
Nucleic acids
500
the pH of blood
What is 7.4?