Chapter 2 Chemistry
Whose name is associated with the invention of the periodic table?
Dmitri Mendeleev
Iron (II) Oxide
FeO
Gallium Carbonate
Ga (CO3)3
Write in formula Dihydrogen monoxide
H20
What is the empirical formula for H6 C2 02
H3 CO
Describe the importance of Antoine Lavoisier's work. Where and when did he work, what discoveries did he make and were there any remarkable events in his life?
He discovered the Law of Conservation. Mass cannot be created or destroyed. He worked in the French Revolution in 1785. The discovery was important because it showed scientists that mass does not change because of chemical reactions. He was killed in the French Revolution because he was a tax collector. He was later pardoned after he was killed. He also created the metric system to make tax collection more fair.
What was Rutherford's gold foil experiment?
He shot a stream of alpha particles at a thin layer of gold foil and most passed through; some deflected and those that did deflected almost right back to the source. It proved that there was more empty space than Thomas thought.
Name FeBr3
Iron (III) Bromide
Write in formula Magnesium Sulfite
MgSO3
The oil drop experiment conducted by Millikan
discovered the charge on the electron
Elements... exhibit similar physical and chemical properties
in the same group of the periodic table
Name MgSO4 x 6 H2O
magnesium sulfate hexahydrate
What is the order of the compounds?
meth eth prop but pent hex hept non dec
What is the order of naming compounds
mono di tri tetra penta hexa hepta octa nona deca
Name P8At10
octaphosphorus decastatide
Select the proper systematic name for the following compound
propane
Write in formula Ammonium polonide
(NH4)2PO
Name BaCl2 x 2 H2O
Barium Chloride dihydrate
Beryllium Nitrate
Be (NO3)2
Calcium Nitride
Ca3 N2
Wherever it is found, water always contains oxygen and hydrogen in the mass ratio of 8 to 1. Taken by itself, this fact demonstrates what natural law?
Constant Composition
Which of the following pairs of atoms represent isotopes?
12C, 14C
What is the mass number of an isotope of mercury that has 122 neutrons?
202
An ^56FE^2+ particle contains
26 protons, 30 neutrons, and 24 electrons
Describe some of the properties of bases. Name two household items
A base has a pH above 7, the Litmus paper turns blue, feels soapy. Soap and detergent
What is a hydrate?
A compound that has a specific number of water molecules bound to its atoms
A column of the Periodic Table is called...
A group
Write in formula Aluminum Hydroxide
Al(OH1)3
Write in formulas Dinitrogen pentoxide
N2O5
Name HNO2
Nitrous Acid
Write in formula Triphosphorous hexasulfide
P3S6
Tetraselenium heptachloride
Se4Cl7
Name the following compounds Na3PO4
Sodium Phosphate
Write in formula Strontium chlorite
Sr(CLO2)2
Name SF6
Sulfur hexafluoride
Which of the following is not true concerning cathode rays?
The characteristics of cathode rays depend on the material from which they are admitted
Name TiTe3
Titanium (VI) Telluride
See page 22.
WAAM
Write the formula for the following polyatomic ions along with their charge a. Perchlorate b. cyanide
a. CLO4-1 b. CN-1
How many protons, neutrons and electrons atoms or ions? a. Sulfur- 34 b. Tc+4
a. p=16, e=16, n=18 b. p=43, e= 39, n=55
Name the functional group in CH3CH2CH2OH
alcohol
