Classify the following properties as Physical or Chemical:

Classify the following properties as Physical or Chemical:

Physical or Chemical?

• 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

• 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 Li

Metalloid in the Al family B

Chalkogen in period 4 Se

Noble Gas in period 6 Rn

Only metal that is a liquid at Room Temp Hg

Only nonmetal that is a liquid at Room Temp 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. How many protons and neutrons are there in an Iodine -131 nucleus?

53 P 78 n2. 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 61 neutrons. 107Ag+

• 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:

• 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?