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**Elements, Scientific Notation, Significant Figures, Chem/Physical Changes/Properties** <---Previous Assignment - Next Assignment--->

** __Time Length__ ** > > //Use the periodic table on your STAAR Chart (in the trays in the office supply cabinet) or the large ones on the wall to find the symbols for the following elements. // >
 * 1 Block
 * __Warm Up__ **
 * Unit 1: Block 2 Warm Up
 * 1) aluminum
 * 2) __bromine __
 * 3) calcium
 * 4) __carbon __
 * 5) chlorine
 * 6) __copper __
 * 7) gold
 * 8) __ helium __
 * 9)  hydrogen
 * 10) __iodine __
 * 11) iron
 * 12) __lead __
 * 13) <span style="font-family: Arial,Helvetica,sans-serif;">magnesium
 * 14) __<span style="font-family: Arial,Helvetica,sans-serif;">mercury __
 * 15) <span style="font-family: Arial,Helvetica,sans-serif;">neon
 * 16) __<span style="font-family: Arial,Helvetica,sans-serif;">nickel __
 * 17) <span style="font-family: Arial,Helvetica,sans-serif;">nitrogen
 * 18) __<span style="font-family: Arial,Helvetica,sans-serif;">oxygen __
 * 19) <span style="font-family: Arial,Helvetica,sans-serif;">phosphorus
 * 20) __<span style="font-family: Arial,Helvetica,sans-serif;">potassium __
 * 21) <span style="font-family: Arial,Helvetica,sans-serif;">silicon
 * 22) __<span style="font-family: Arial,Helvetica,sans-serif;">sodium __
 * 23) <span style="font-family: Arial,Helvetica,sans-serif;">sulfur
 * 24) __<span style="font-family: Arial,Helvetica,sans-serif;"> tin __
 * 25) __<span style="font-family: Arial,Helvetica,sans-serif;">zinc __
 * 26) __<span style="font-family: Arial,Helvetica,sans-serif;"> lithium __
 * 27) __<span style="font-family: Arial,Helvetica,sans-serif;"> beryllium __
 * 28) __<span style="font-family: Arial,Helvetica,sans-serif;"> boron __
 * 29) __<span style="font-family: Arial,Helvetica,sans-serif;"> fluorine __
 * 30) __<span style="font-family: Arial,Helvetica,sans-serif;">argon __
 * 31) __<span style="font-family: Arial,Helvetica,sans-serif;"> scandium __
 * 32) __<span style="font-family: Arial,Helvetica,sans-serif;"> titanium __
 * 33) __<span style="font-family: Arial,Helvetica,sans-serif;">vanadium __
 * 34) __<span style="font-family: Arial,Helvetica,sans-serif;">chromium __
 * 35) __<span style="font-family: Arial,Helvetica,sans-serif;"> manganese __
 * 36) __<span style="font-family: Arial,Helvetica,sans-serif;">cobalt __
 * 37) __<span style="font-family: Arial,Helvetica,sans-serif;">gallium __
 * 38) __<span style="font-family: Arial,Helvetica,sans-serif;"> germanium __
 * 39) __<span style="font-family: Arial,Helvetica,sans-serif;"> arsenic __
 * 40) __<span style="font-family: Arial,Helvetica,sans-serif;"> selenium __
 * 41) __<span style="font-family: Arial,Helvetica,sans-serif;"> krypton __
 * 42) __<span style="font-family: Arial,Helvetica,sans-serif;">rubidium __
 * 43) __<span style="font-family: Arial,Helvetica,sans-serif;">strontium __
 * 44) __<span style="font-family: Arial,Helvetica,sans-serif;"> zirconium __
 * 45) __<span style="font-family: Arial,Helvetica,sans-serif;"> silver __
 * 46) __<span style="font-family: Arial,Helvetica,sans-serif;">antimony __
 * 47) __<span style="font-family: Arial,Helvetica,sans-serif;"> magnesium __
 * 48) __<span style="font-family: Arial,Helvetica,sans-serif;"> hydrogen __

=**Instructions**= Review all notes or tutorial videos below if needed. Complete the practice problems with no more than 1 partner (unless you get stuck). Turn in 1 paper per person.
 * Quiz over Scientific Notation & Significant Figures at end of class.**

=**Significant Figures**= =**Scientific Notation**= > Convert the following numbers into standard notation: > Add or Multiply the following = =
 * **[|Notes]**
 * [|Tutorial Video]
 * How many significant figures in the following numbers?
 * 1) 3423.34
 * 2) 2304.3
 * 3) 2050
 * 4) .0342
 * 5) 3434.34340
 * 6) 4
 * 7) 400
 * 8) .4
 * 9) .40
 * 10) .400
 * 11) 10000000000
 * 12) 1
 * 13) 1.00
 * 14) 304050607
 * 15) 99
 * 16) number of doors in this room
 * 17) number of glass cabinets in this room
 * 18) number of drawers in this room
 * 19) number of chairs and stools in this room
 * 20) number of people cooler than Mr. Bair (hint the answer is zero, but not according to his wife =))
 * [|Notes]
 * Convert the following numbers into scientific notation:
 * 1) 3400
 * 2) 0.000023
 * 3) 101000
 * 4) 0.010
 * 5) 45.01
 * 6) 1000000
 * 7) 0.00671
 * 8) 450
 * 1) 2.3 x 10 4
 * 2) 1.76 x 10 -3
 * 3) 1.901 x 10 -7
 * 4) 8.65 x 10 -1
 * 5) 9.11 x 10 3
 * 6) 5.4 x 10 1
 * 7) 1.76 x 10 12
 * 8) 7.4 x 10 -5
 * 1) 3.8 x 10 4 + 2.3 x 10 3
 * 2) 3.8 x 10 4 x 2.3 x 10 3
 * 3) 7.8 x 10 6 - 5.9 x 10 5
 * 4) 1.9 x 10 2 / 6.4 x 10 9