A&P Test Chapter 2
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A&P Test Chapter 2
Matter Energy Chemical Reactions etc
Study for chapter 2.
Anything that has volume and mass.
Protons - Location, Mass, & Charge
Nucleus, 1, +1
Neutrons - Location, Mass, & Charge
Nucleus, 1, No Charge
Electrons - Location, Mass, & Charge
Orbital Cloud, Greater than 0, -1
Atoms with the same atomic number.
Atomic Number is equal to ______?
Number of protons is equal to ______?
Atom with a charge.
Charge is equal to ______?
Protons - Electrons = ________?
Atoms of the same element with different masses.
Mass is equal to _____?
Protons + Neutrons = _______?
More than one atom held together by chemical bonds.
Atom loses or gains electrons, the protons and electrons are no longer equal.
Atom loses an electron.
Gains an electron.
Positive charged ions remain close to _________? (In ionic bonding.)
Negative charged ions remain close to __________? (In ionic bonding.)
When atoms share one or more electrons.
Non-Polar Covalent Bond
Equal Sharing of Electrons. Ex. O
Polar Covalent Bond
Unequal sharing of electrons. Ex. H
Polar Covalent Bond _________ Charge
Non-Polar Covalent Bond _______ Charge
Single Covalent Bond
Sharing of one pair of electrons by two atoms. Ex. H-H
Double Covalent Bond
Two atoms sharing a pair of electrons. Ex. O=C=O
Covalent bond is a (weak/strong) bond?
Hydrongen bond is a (weak/strong) bond?
Can dissolve in water.
Anything charged or slightly charged.
Hydrogen bond (opposites/likes) attract?
The ability to preform work.
Stored non-working energy.
Energy caused by the movement of an object/Energy that does work.
Forms of energy. (5)
Chemical, Mechanical, Heat, Electrical, and Radiant
Energy resulting from the position or movement of objects.
Atoms, Ions, Molecules, or Compounds interact either to form or to break chemical bonds.
___________ -------> Products
Reactants ---------> __________
Forms of energy in a chemical reaction.
Light, heat, kinetic.
Reactants are broken down into smaller, less complex molecules.
Increases the rate of a chemical reaction.
Equal number of H
pH of 7.0
Greater number of H
pH less than 7.0
Fewer number of H
pH greater than 7.0
Resist change in pH
Building block for all charbhydrates.
Glucose, fructose, ribose.
Glucose + Fructose = Sucrose
(Three added would be trisaccharide, etc.)
Starch, Cellulose, glycogen.
Energy and Structure
Prevent the body from attacking itself.
Small chain of amino acids.
Di, tri, etc...
DNA - Deoxyribose
RNA - Ribose
Used for protein synthesis.
Glycerol + Fatty Acid
Di, Tri, etc.