Dimensional Analysis
convert 498.82 cg to mm
4988.2 mm
How can you tell how many protons an element has?
NaCl
Sodium chloride
What is the charge of silver?
+1
Convert 50 years into seconds. Express your answer in scientific notation.
1.58 x 109 seconds
How many protons, electrons, and neutrons
are there in an atom of cobalt weighing 59
amu
27 protons, 27 electrons, and 32 neutrons
Ca(NO3)2
Calcium nitrate
What is the difference between an ionic compound and a molecular compound?
An ionic compound consists of a cation and an anion (NM + M or Metal+ Polyatomic ion) and molecular consists of two anions
Sally Leadfoot was pulled over on her way from Syracuse to Ithaca by an officer claiming she was speeding. The speed limit is 65 mi/hr and Sally had traveled 97 km in 102 minutes. How fast was Sally going in mi/hr?
35.7 mi/hr
How many protons, electrons, and neutrons are in an ion of cobalt having a +2 charge?
27 protons, 25 electrons, and 32 neutrons
Fe2O3
Iron (III) oxide
What are the diatomic elements?
Br, I, N, Cl, H, O, F
Traveling at 65 miles/hour, how many feet can you travel in 22 minutes?
125,840 ft
What are the families of group one, group two, groups 3-12, group 16, group 17, and group 18?
Alkali metals (group 1), Alkaline Earth Metals (group 2), Transition Metals (groups 3-12), Chalcogens (Group 16), Halogens (Group 17), Noble Gases (Group 18)
P2O5
Diphosphorous pentoxide
FREEBIE
FREEBIE
The total amount of fresh water on earth is estimated to be 3.73 x 108 km3 . What is this volume in cubic meters?
3.73 x1017 m3
Cl has two isotopes:
35Cl:75.78%; mass =34.97 amu
37Cl: 24.22%; mass = 36.97 amu
What is the average atomic mass?
35.45
HClO4
Perchloric acid
What are the SI Prefixes from highest to lowest?
Tera, Giga, Mega, Kilo, deci, centi, milli, micro, nano, pico, femto