This is a study guide for Jill's Biology Class. Simply mouse over the text to display the answer. This was programmed by hand by Erty Seidel. Visit his website and read his weekday webcomic at www.ertyseidel.com. He uses the screennames Ertyseidel and Lord Revx. If you think something is wrong, or an answer is incorrect (which it probably is), send an email to erik-dot-seidel-at-ourschoolname-dot-org
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I MADE A MISTAKE! N IS NITROGEN, NOT NEON! SORRY!
Matter
Anything that has mass and occupies space.
Element
A chemical substance that cannot be broken down.
Periodic Table
The accepted method of organising the elements.
pH Scale
The accepted methd of ranking the aciditity of a chemical.
Acidic
A basic chemical that is soluble in water. (i.e. Carbonate, Hydroxide)
Alkaline
A chemical with a low count of h+ ions.
Basic
A chemical with a high count of H+ ions.
Compound
A combination of two or more elements that cannot be seperated by simple physical means.
Atom
The smallest state at which an element is recognisable.
Proton
Fundamental Positive Subatomic Particle. 1 AMU (Atomic Mass Unit)
Neutron
Fundamental Neutral Subatomic Particle. ~1+ AMU
Electron
Fundamental Negative Subatomic Particle. 1/1836 AMU
Mass Number
The number of nucleons (Protons and Neutrons) in an atom.
Mass
The quantification of matter. Chemical Property.
Isotope
Atoms with the same number of protons and a different number of neutrons.
Covalent Bond
A bond formed between two atoms by "sharing" an electron.
Ionic Bond
A bond formed between two atoms by "stealing" an electron.
Cohesion
Intermollecular attraction of like molecules.
Surface Tension
Attraction between the surface molecules of certain liquids that cause the surface of the liquid to form an "elastic sheet"
C
Carbon
H
Hydrogen
O
Oxygen
N
Nitrogen
He
Helium
F
Flourine
I
Iodine
Fe
Iron
Ca
Calcium
Mg
Magnesium
P
Phosphorus
K
Potassium
S
Sulfur
Na
Sodium
Cl
Chlorine
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