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Periodic Table
Atoms
Math
Naming Stuff
Surprise
100
Group 7A on the periodic table has this special name.
What are halogens?
100
This guy conducted the oil drop experiment and discovered the charge of an electron.
Who is Millikan?
100
If a piece of metal has a mass of 15g and a volume of 5mL, what is its density?
What is 5 g/mL?
100
Name the compounds P4O7
What is tetraphosphorus heptaoxide?
100
This lab technique involves the separation of a mixture's components through differences in particle size
What is filtration?
200
Lithium, sodium, potassium, rubidium, cesium, and francium belong to what group (name) on the periodic table?
What are alkali metals?
200
These two subatomic particles have the same mass.
What are protons and neutrons?
200
How many significant digits should the answer to this problem contain? 12.40 / 0.005 x 30000
What is 1?
200
What is the name for CrPO4?
What is chromium (III) phosphate?
200
Name 2 physical properties of metals.
What is shiny, ductile, malleable, solid
300
The trend of shielding effect is to _____________ from left to right, and _________________ from top to bottom.
What is constant and increase?
300
What is the electron configuration of calcium?
What is 1s2, 2s2, 2p6, 3s2, 3p6, 4s2?
300
If a student calculated the density of a sample to be 8.00 g/mL, when the actual density is 7.28 g/mL, what is the percent error?
What is 9.9%?
300
Which polyatomic ions have a -2 charge?
What is carbonate and sulfate?
300
A molecule of methane (CH4) has what geometric shape?
What is tetrahedral?
400
List the elements Mg, Al, Na, and P in order of increasing atomic size.
What is P, Al, Mg, and Na?
400
How many electrons does the iron ion have when it forms the ionic compounds FeBr3?
What is 23?
400
What is the average atomic mass for an element that has isotopes with masses and abundances of 5.0 amu at 90%, 4.0 amu at 5% and 3.0 amu at 5%?
What is 4.85 amu?
400
What is the formula for copper (I) oxide?
What is Cu2O?
400
When adding more product to a reversible reaction at equilibrium, what happens?
What is shifts to the left, or makes more reactants?
500
What element is located in period 6, group 3A?
What is Tl?
500
List the 5 atomic models in chronological order from earliest to most recent.
What is solid sphere, plum pudding, nuclear, planetary, and quantum mechanical?
500
Carbon-13 has a half-life of 4.5 hours. How much of a 48.0g sample would remain after 27 hours?
What is 0.75 mg?
500
What is the formula for calcium phosphate?
What is Ca3(PO4)2?
500
Name the seven diatomic molecules.
What are hydrogen, oxygen, nitrogen, fluorine, chlorine, bromine, iodine?