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Turquoise
Lavender
Maroon
Gold
Periwinkle
100
How many Sig. Figs. are in .0034?
2
100
What is the average and the average deviation for the following data points? 56 66 23 74 103 112 47 40 26 93 130
70 +/- 29
100
Which is stronger: the electromagnetic force or the strong force?
The strong force
100
How many moles of oxygen and carbon do you need to produce 2 moles of carbon dioxide?
2 moles of oxygen, 2 moles of carbon
100
Which of the following is not diatomic: Hydrogen, Bromine, Barium, Iodine, or Chlorine?
Barium is not diatomic
200
10^12 is what metric prefix?
Tera
200
Does ice change temperature as it is melting?
No, the energy is going towards making the ice change phases, not temperatures.
200
What is an Ion?
An atom with a charge (not neutral). It has an uneven number of protons and electrons.
200
What is the Lewis Dot diagram for Arsenic?
. . As : .
200
Name which type of bonding this is and the name: Cl3B
Type 3, Trichlorine Monoboride
300
How would you write 354687 in scientific notation?
3.54687 x 10^5
300
Indicate whether the following example is a chemical or physical change: A candy bar is eaten for quick energy.
Chemical and physical
300
What is the percent error if Jim found out that the density of water is 1.3 through his lab, but the actual density of water is 1?
30% error
300
How many grams are in 2.94 x 10 24 atoms of Colbalt?
287.7 grams
300
Name which type of bonding this is and the name: CaI2
Type 1, Calcium Iodide
400
What is the density (in g/L) of an object with a volume of 6 mL and a mass of 42 grams?
7000 g/L
400
Who introduced the idea of the nucleus?
Rutherford
400
What is the relative abundance of Br-79 if bromine has two stable isotopes: Br-79 and Br-81.
50.69%
400
What is the electron configuration of Osmium?
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d6 or [Xe] 6s2 4f14 5d6
400
Name which type of bond this is and the name: Mn (II) Se
Type 2, Manganese (II) Selenide
500
How many yards per hour is 38 meters per minute?
2500
500
The energy of a photon of light was measured to be 4.06 x 10-19 Jules. What was the wavelength of the light?
4.89x10-7 m
500
What are the elements in period 18 called?
Noble Gases
500
Balance this chemical equation: So3 + S2Cl2 + Cl2 = SOCl2
So3 + S2Cl2 + 2Cl2 = 3SOCl2
500
List the charges for the following Polyatomic Ions: OH, NO3, SO4, CO3, PO4, NH4
-1, -1, -2, -2, -3, +1