Classify the following properties as
Physical or Chemical:
Physical or Chemical?
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Bright red or orange-red in color
Soluble in water
Decomposes when exposed to light
odorless gas
crystalline solid at room temperature
Supports combustion
Liquid at room temperature
Ductile and malleable
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Reacts vigorously with metals
Melts at 1500 C
Can be cut with a knife
Density of 0.97g/mL
Normal Boiling point of 80 C
Oxidizes when exposed to air
Specific heat of 3.5 J/g-C
•Name 3 physical and 3
chemical changes
• A metal sample has a mass of 45.65 g. The
volume of the sample is 16.5 cm3. What is
the density of the sample?
• If the actual density of the sample is 2.70
g/cm3, what is the % error in the calculated
density?
• A metal sample has a mass of 45.65 g. The
volume of the sample is 16.5 cm3. What is
the density of the sample? 2.77g/cm3
• If the actual density of the sample is 2.70
g/cm3, what is the % error in the calculated
density? 3%
• Where are the metals located on the periodic
table?
• Nonmetals?
• Metalloids?
• Noble Gases?
• Where is Hydrogen?
Name the element:
Alkali metal in period 2
Metalloid in the Al family
Chalkogen in period 4
Noble Gas in period 6
Only metal that is a liquid at Room Temp
Only nonmetal that is a liquid at Room Temp
Name the element:
Alkali metal in period 2
Metalloid in the Al family
Li
B
Chalkogen in period 4
Se
Noble Gas in period 6
Rn
Only metal that is a liquid at Room Temp
Only nonmetal that is a liquid at Room Temp
Hg
Br
•DRAW AN ATOM. USE
AS MUCH DETAIL AS
YOU CAN.
•How would you separate
a mixture of sand and
salt water into three
pure substances?
1.
How many protons and neutrons are
there in an Iodine -131 nucleus?
2.
A nuclide contains 86 protons and 136
neutrons. What element is it, and what is
its mass number?
1.
1.
How many protons and neutrons are
there in an Iodine -131 nucleus?
53 P 78 n
A nuclide contains 86 protons and 136
neutrons. What element is it, and what is
its mass number?
Rn-222
• Write the nuclear equation for
the beta decay of Th-234.
• Write the nuclear equation for
the beta decay of Th-234.
• Pa- 234 is daughter
• What are the 3 types of
radiation? What are their mass,
charge, and penetrating power?
• Write the symbol for a silver
ion that has 46 electrons, and
61 neutrons.
• Is it a cation or an anion?
• Write the symbol for a silver
ion that has 46 electrons, and
107
+
61 neutrons.
Ag
• Is it a cation or an anion?
• Cat
•Calculate the number of moles in a
100 mg sample of tin. Use
dimensional analysis.
•8 x 10 -4 moles
•Do problem 19 on
page 90
1. What charge would a calcium ion have?.
2. What is the electron configuration for this
ion?
3. What is the abbreviated electron
configuration for silver?
• Why are the noble gases
nonreactive?
• See Figure 6 on page 101.
• What are the 4 spectral lines in Hydrogen’s
emission spectrum? (What are the colors and
their wavelengths)
• How do these lines form?
Parts Per Million
• Concentration Units used for very dilute
solution
• Parts Per Million =
• Grams Solute x 1 x 106
• Grams Solution
• A 1.00 Liter sample of contaminated water
contains 420 mg of Nitrate ion. What is the
concentration of the nitrate ion in parts per
million (ppm)?
• Parts Per Million =
• Grams Solute x 1 x 106
• Grams Solution
• A 1.00 Liter sample of contaminated water
contains 420 mg of Nitrate ion. What is the
concentration of the nitrate ion in parts per
million (ppm)?
420 ppm
• Parts Per Million =
• Grams Solute x 1 x 106
• Grams Solution
Draw Lewis dot structures for:
CO2,
Cl ,
O2
• Write the nuclide notation
for the ion having 30
protons, 28 electrons, and
35 neutrons.
• Summarize the following periodic trends:
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Atomic radius
Ionization energy
Metallic character
electronegativity
Rb, Sn, or Xe?
• Which is smaller?
• Which has lower ionization energy?
• Which is most electronegative?
• Which is most metallic?