Weds 5-28 Bring one bag of microwave popcorn/ kettlecorn etc.
Friday 5-23 page 94 Thinking visually, page 95 #1-10,
page 96 #27, 28, 29, 31, 32.
Tues 5-20 Test on waves and gases. Your study guide is available
Weds 11-7 p 153 # 1-10
Tues 11-6 Read and outline chapter 5
Fri 11-2 p 122 # 30, 31, 32, p123 #1-6, p 121 #1-10
Weds 10-31 Read and outline chap 4
Mon 10-29 p 62 concept map
p 63 #1-10
Fri 10-26 Here are some practice problems. The answers are
given below.
1) 85 Rb +1Give the symbol and tell if it is a common
or rare isotope.
2) An ion has a mass number of 90 and an atomic
number of 39 and has a +3 charge. Give the number
of protons, electrons and neutrons and its symbol
and tell if it is a common or rare isotope.
3) 197Ir Give the number of protons, elec-
trons and neutrons and tell if it is a
common or rare isotope.
Answers: 1) p=37, e=36, n=48 common
2) p=39, e=36, n=51, rare
3) p=77, e=77, n=120 rare
Thurs 10-25 Read chapter 2 BRING BOOK TO CLASS!!!
1) An ion has 49 protons, 46 electrons and 66 neutrons.
Give the symbol and tell if it is a common or rare isotope.
2) An ion has a mass number of 51 and an atomic
number of 23 and has a +2 charge. Give the number
of protons, electrons and neutrons and its symbol
and tell if it is a common or rare isotope.
3) An ion has 52 protons, 54 electrons and 75 neutrons.
Give the symbol and tell if it is a common or rare isotope.
4) 75As -3 Give the number of protons, elec-
trons and neutrons and tell if it is a
common or rare isotope.
Weds 10-24
1) An atom has 3 protons and 4 neutrons. Give the
symbol and tell if it is a common or rare isotope.
2) An atom has a mass number of 40 and an atomic
number of 19. Give the number of protons, elec-
trons and neutrons and its symbol and tell if it is a
common or rare isotope.
3) 55Fe Give the number of protons, elec-
trons and neutrons and tell if it is a
common or rare isotope.
All work must be turned in by 10-19
if you wish to have it included in your
first quarter grade.
Thurs 10-18 TEST on everything covered since the last
test. You will still need to be able to do con-
versions, give answers in scientific notation
with the correct number of significant figures.
Work on your study guide. If you have lost your study
guide
Thurs 10-11 Give the answers to these problems in scientific notation
with the correct number of significant figures and units.
Show ALL work.
1) A 748.002 hg object has a density of 2.010 g/ml.
What is the volume of the object?
2) An 8.302 cL object has a density of 6.04 g/ml
What is the mass of the object?
3) An 9.8706 dag object has a density of 3.05 g/ml.
What is the volume of the object?
4) An 79.2 kg object has a volume of 32.1liters.
What is the density of the object?
Weds 10-10 Give the answers to the first problem in scientific notation
with the correct number of significant figures and units.
Show ALL work. I f you were told to do an additional
problem or if you would like extra practice,do number 2.
1) An object has a density of 2.8 g/ml and a volume of
6.0 liters. What is the mass of the object?
2) An object has a mass of 3.61 kg and a density of
9.86g/ ml. What is the volume of the object?
Tues 10-9 Give the answers to these problems in scientific notation
with the correct number of significant figures and units.
Show ALL work.
1) An object has a density of 1.4 g/ml and a volume of
3.0 ml. What is the mass of the object?
2) An object has a mass of 7.450 g and a volume of
3.14 ml. What is the density of the object?
3) An object has a density of 2.3 g/ml and a mass of
17.031g. What is the volume of the object?
Weds 10-3 Give the answers to the following metric conversions.
SHOW ALL WORK!!!
1) 72 ml = liters
2) 72 liters = ml
3) 72 dag = g
4) 72 dg = hg
Fri 9-21 Test on all material covered this quarter.
Outline of chapter 2 is due
Weds 9-19 Use the information given below to solve the questions.
5.00 mits = 11 pets 12 curs = 7.000 bells 8.0 dabs = 900 figs
7.2 dabs = 6.4 apes 3.00 apes = 7.1 eggs 13 mits = 0.006 curs
0.0040 pets=80.0 figs 2.00 eggs=17 noses 19.0 pets = 27 whines
Give the answers to these problems in scientific notation with
the correct number of significant figures:
1) How many figs are in 317.0 mits?
2) How many eggs are in 0.000452 pets?
Tues 9-18 Give the answers to these problems in scientific notation with the correct number of significant figures:
1) If 6.000 bits = 9.000 000 coops and 0.000 000 000300 coops = 1.30 000 dips, tell how many dips are equal to 4800.00 bits.
2) If 6.000 bits = 9.000 000 coops and 0.000 000 000300 coops = 1.30 000 dips, tell how many bits are equal to 4800.00 dips.
Mon 9-17 p 31 # 1-6
Fri 9-14 Show the set ups for all problems. Answers are included so you can check your work.
1) If 6.0 teks = 9.0 pins, how many pins are there in 18 teks? answer=2.7 x 101 pins
2) If 6.0 teks = 9.0 pins, how many teks are there in 18 pins? answer=1.2 x 101 teks
3) If 7.0 bogs = 8.0 mifs, how many bogs are there in 24 mifs? answer=2.1 x 101 bogs
Thurs 9-13 p 30 # 27, 30
Give answers in scientific notation with the correct number of significant
figures
1) 5.0/8.000 2) 60.000/16 3) 9.000/26
4) 174600/90.0 5) 3587/444.000 6) 4567/11.0
Weds 9-12 RETURN SIGNED FLINN SAFETY CONTRACT !
Here are some practice problems and their answers in case you need extra practice:
Give answers in scientific notation with the correct number of significant figures
1) 7.0/8.000 2) 30000/4000.0 3) 3.00/40.000
4) 200600/103 5) 200600.0/10.30
Answers: 1) 8.8 x 10 -1 2) 8 x 10 -1 3) 7.50 x 10 -2
4) 1.95 x 10 3 5) 1.948 x 10 4
Tues 9-11 p 29 # 14, 15, 16, 17, 20, 21
Thurs 9-6 p 29 #1-10
Tues 9-4 Read and outline chapter 1 in your text.
Solve these problems using your calculator. Give your answer in scientific notation.
1) 3 x 109 x 4 x 1011 2) 5 x 109 x 6 x 10-13
3) 9.0 x 1021 x 4 x 10-18 4) 8.0 x 10-17 x 3.00 x 10-18
5) 9.0 x 10-16 x 4.300 x 10-18 6) 9.0 x 1021 / 4 x 10-18
7) 3 x 109 / 4 x 1011 8) 5 x 109 / 6 x 10-13
9) 8.0 x 10-17 / 3.00 x 10-18 10) 9.0 x 10-16 / 4.300 x 10-18
11) 3.5 x 1019 x 4.0 x 1018 / 3.0 x 10 -9 x 4.5 x 1011
12) 5.5 x 1019 x 2.0 x 1018 / 4.50 x 10 -9 x 4.5 x 10-11
13) 4.5 x 1014 x 4.0 x 1012 / 8.0 x 10 9 x 1.5 x 1011
14) 4.0 x 1018 / 3.0 x 10 16 15) 75/25 16) 21/42
17) 3.5 x 1019 x 4.0 x 1018 x 3.0 x 10 -9 x 4.5 x 1011
18) 2 x 100 / 4 x 100 19) 1/3 20) 0.02/6
Fri 8-31 Print out a copy of the class rules and bring it to class signed by you and a parent or guardian.