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Atoms
Foundations
Math in Chemistry
Compounds and their properties
Misc.
100
These subatomic particles have a mass of 0 amu.
What is an electron.
100
How many significant figures in the number 0.040670
What is 5
100
The density of aluminum is 2.70g/cm cubed, What is the mass of a cube of aluminum that has a volume of 1.0 cm cubed?
What is 2.70g
100
When group 5A forms ions, these have a charge of _____.
What is -3
100
Convert 6876mm to meters.
What is 6.786 meters
200
This device helped JJ Thompson discover the electron.
What is a Cathode Ray tube.
200
What the SI unit for mass?
What is Kilograms.
200
What is the result of converting 686 deciliters to hectoliters.
What is .686 hectoliters.
200
What is the name of the of the formula LiClO4
What is lithium perchlorate.
200
When naming a transition metal that has more than one common ionic charge, the numerical value of the charge is indicated by a ________.
What is a roman numeral
300
This scientist confirmed the presence of neutrally charged particles in the nucleus of an atom.
Who is James Chadwick.
300
Particle that plays the greatest part in determining the physical and chemical properties of an element.
What is the electron
300
What is the percent composition of sodium in sodium chloride?
What is 39.3%
300
The formula for ammonium nitrate is_______>
What is NH4NO3.
300
What is the last step to the Scientific method?
What is conducting an experiment.
400
The atomic mass of an element is the weighted average of all the naturally occurring _________ of that element.
What are Isotopes.
400
The metric system prefix for the quantity 0.001
What is milli-.
400
What is the molecular formula for a compound with 83.625% carbon and 16.375% hydrogen?
What is C25H45
400
In this type of bond, oppositely charged ions attract one another.
What is an Ionic bond
400
Name all of the diatomic elements.
What is Bromine, Iodine, Nitrogen, Chlorine, Hydrogen, Oxygen, & Fluorine.
500
How many electrons are there in the silver ion?
What is 46.
500
Chlorine boils at 239K. What is this boiling point expressed in Celsius?
What is -34 degrees Celsius
500
How many atoms are in .52 kilograms of Oxygen gas?
What is 4.9x (10^24) atoms of Oxygen
500
The chemical formula for the compound named magnesium permangante
What is Mg(MnO4)2
500
A tightly bound group of atoms that behaves as a unit and carries a net charge.
What is a Polyatomic Ion.