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Periodic Table
Formulas
Stoichiometry
100
What is the atomic number of Silver?
What is 47
100
What is this formula for: C=K-273
What is Celsius
100
How many grams of potassium chloride are produced if 25 g of potassium chlorate decompose? 2KClO^3 -> 2Kcl + 3O^2
What is 15.54 GRAMS
200
What is Mercury's atomic mass?
What is 200.59
200
What is this formulas for: M=moles of solute/liter of solution
What is Molarity
200
What volume of NH^3 at STP is produced if 25.0 g of N^2 is reacted with an excess of H^2? N^2 + 3H^2 -> 2NH
What is 40 L
300
What are the trends among the elements for atomic size?
The size increases when going down a group. The size decreases when going left to right across a row.
300
What is the formula for: m=moles of solute/ kg of solvent
What is molality
300
How many moles of oxygen are produced from the reaction of three moles of zinc with an excess of hydrochloric acid? Zn + 2HCl -> ZnCl^2 + H^2
What is 3 moles H^2
400
How are valnce electrons and the group number related?
The group number is the number of valence electrons.
400
What is the formula for finding the number of neutrons?
What is atomic mass-atomic number=neutrons
500
Which element has a higher electronegativity: Flourine, Barium, or Tungsten?
What is Flourine
500
What is the formula for Percent Compostition?
What is % error= (experimental value-accepted value)/accepted value