AP Biology at Bensalem High School With Ms. Gallagher AP Biology at Bensalem High School With Ms. Gallagher.
FUEL CELLS The presentation that follows is meant to explain what was going on inside the fuel cell when the model car was running along the floor and.
Balancing Chemical Equations Can’t Create or Lose Atoms A A B B A A B B A A B B 2A + 2B AB Not Balanced You must have the same number of each type of.
The Periodic Table John Newlands – 1864 – law of octaves.
The Mole Concept Avogadro’s Number = 6.022 x 10 23.
I.Chemistry History A.Early chemistry 1.Greek chemistry (~ 400 BC) a.Matter consists of four elements: fire, earth, air, water b.Atoms as indivisible particles.
1 Mr. ShieldsRegents Chemistry U08 L02 2 Periodic Table -The periodic table has 115 natural and man made elements - 1 through 118 - 1-92 are naturally.
Notes Chemical Equations and Reactions. Chemical Equation Reactants: original substances Products: new or resulting substances Chemical EquationChemical.
Lecture #1 ~ Date__________ zChapter 1: Themes in the Study of Life zChapter 2: Chemical Context of Life zChapter 3: Water and the Fitness of the Environment.
What is the chemical formula for water? Draw the structure of water. Write down all the types of bonding that you know of.
ZChapter 2: The Chemical Context of Life. Chemical Context of Life zMatter (space & mass) zElement zCompound zThe atom zAtomic number (# of protons);
Regents Chemistry Chemical Reactions: An Introduction.