Periodic Table/Matter
Nomeclature
Moles
SigFigs/Scientific Notation
Chemical Reactions
100
Dmitri Mendeleev developed a chartlike arrangement of the elements called the
What is periodic table
100
HF
What is hydrofluoric acid
100
what number is Avogadro’s Number
What is 6.02 x 1023 atoms = 1 mole
100
Express 0.006 57 in scientific notation.
What is 6.57 ?x 10^?-3
100
What are the six main types of chemical reactions
What is synthesis, decomposition, single replacement, combustion, double replacement, and neutralization
200
A row is called ________________ a column is ___________
What is period;group
200
LiOH
What is lithium hydroxide
200
If 17 grams of aluminum react, how many moles of aluminum chloride will be produced?
What is 0.63 mol AlCl3
200
Express 1234.56 in scientific notation
What is 1.234 56 x 10^3
200
What is the first driving force of chemical reactions
What is transfer of electrons
300
Salt dissolving in water, copper wire cut in half and tire inflated with air are all ______________ changes
What is physical
300
silver chloride
What is AgCl
300
How many grams of aluminum will react with 3.4 moles of chlorine?
What is 61.2 g Al
300
(3.4 ?x 10^2) +? (4.57 x? 10^3)
What is 4.91 ?x10^3
300
what does LEO goes GER stand for? What is the other mnemonic device?
What is LEO = losing electrons is oxidation GER = gaining electrons is reduction OIL RIG
400
what separation technique would be used: sand and water
What is filtration
400
Barium Oxide
What is BaO
400
How many moles of Cl2 must react to produce 12.3 g of AlCl3?
What is 0.138 mol Cl2
400
(2.00 ?X10^3)(4.00X ? 10^4)
What is 8.00 ?X 10^7
400
HgO → Hg + O2 balance. Who is oxidized? Who is reduced?
What is 2HgO → 2Hg + O2 Hg is oxidized O is reduced
500
what separation technique would be used: separations of the pigments in FD&C dyes
What is chromatography
500
Iron (ii) sulfide
What is FeS
500
Calculate the molar mass for aluminum hydroxide
What is 1 mol of Al(OH)3 = 78.00 g
500
Adding these up, how many sig figs should your answer have? 5.424 + 12.04+ 62.345 + 0.0025
What is 2
500
Mg + HCl → predict product and balance equation who is oxidized? who is reduced?
What is Mg + 2HCl → MgCl2 + H2 Mg is oxidized H is reduced
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