Chemical Equations
What are reactants?
What do you use when converting grams to moles?
Use molar mass
How many sig figs are in the number 102?
3
What side of the periodic table contains metals?
The left side.
What was the theory called that Dalton came up with?
Dalton's Atomic Theory
What are Products?
The substances that result from a chemical reaction.
What do you use when converting moles to formula units?
Use Avogadro's number
How many sig figs are in the number 357000
3
What side of the periodic table contains Nonmetals?
Who conducted the Oil Drop Experiment, which determined the charge of the electron.
Robert Millikan
An arrow.
What is Avogadro's number?
6.02x1023
The number 0.009628 has how many sig figs?
4
What are the horizontal rows of the periodic table called?
Periods
J.J. Thomson discovered the electron and came up with what model?
Plum Pudding Model
What are subscripts? What are Coefficients?
Subscripts are the small numbers at the bottom of an elemental symbol and they tell the number of atoms of each element in a molecule. Coefficients are in front of the symbol and they tell the number of molecules.
Convert 61.31 g of Carbon to Moles?
5.105 mol Carbon
Write the number 657800.32 with only 3 sig figs.
6.58x105
What are the vertical columns of the periodic table called?
Groups
What three types of radiation did Rutherford discover?
Alpha particles (positively charged), Beta particles (negatively charged), and gamma particles (uncharged).
Balance this equation:
H2(g) + O2(g) --> H2O(l)
2H2(g) + O2(g) --> 2H2O(l)
How many molecules are in 5.09 mol of Hydrogen?
3.06x1024
Write the number 0.000096427 with only 2 sig figs.
9.6x10-5
What are the names for Group 1A elements, Group 2A elements, Group 7A elements, and Group 8A elements?
Alkali Metals, Alkaline Metals, Halogens, and Noble Gases.
Antoine Lavoisier came up with which Law?
The Law of Conservation of Mass