Definitions/ Equations
The equation for density
What is mass/volume?
The element with 9 protons
What is Florine?
Name of the polyatomic ion with the formula NH4+.
What is ammonium?
Avagadro's constant.
What is 6.02 * 10^23?
The products of a neutralization reaction.
What is salt and H2O?
A combination of atoms joined so strongly that they behave as a single particle
What is a molecule?
The type of ion formed when an atom gains an electron
What is an anion?
MnO2 is a ___ compound (ionic/molecular)
What is Ionic?
The amount of atoms present in 0.37 mol of Li.
What is 2.23 * 10^23 atoms Li?
Balanced equation formed when KClO3 forms KCl and O2.
What is 2KClO3 -> 2KCl + 3O2?
The percent yield formula
What is actual yield/ theoretical yield * 100% ?
The sum of protons and neutrons in the nucleus
What is mass number?
Examples of two homonuclear diatomic molecules.
H2, N2, O2, F2, Cl2, Br2, I2 (any)
The amount of grams C2H6 needed to make 0.45 * 10^23 molecules.
What is 2.25 g C2H6?
The formula when Iron (IV) Sulfide reacts with elemental oxygen to form Iron (III) Oxide and sulfur dioxide (Don't need to balance).
What is FeS2 + O2 -> Fe2O3 + SO2?
The reactant that is completely consumed when a chemical reaction occurs
What is the limiting reactant?
Correctly find the number of protons, neutrons, and electrons. (Draw on board)
What is 16 protons, 16 neutrons, 18 electrons?
Write the name of P2O3.
What is diphosphorus trioxide?
The amount of molecules of Na present in 0.30 moles of Na2S.
What is 3.61 * 10^23 molecules?
The molecular formula of a molecule with an empirical formula of C2H2O and a molar mass of 126.0 g/mol.
What is C6H6O3?
Uses the smallest whole number subscripts to express the relative numbers of ions
What is empirical formula?
A sample of Copper is 69.2% Cu 63 (62.93 amu). The other naturally occurring isotope, Cu 65, has an amu of 64.93. Find the average atomic mass.
What is 63.55 u?
Calculate the molecular mass of Na2CO3
What is ~106 u?
The amount of CaO formed when 4.80 g of Ca reacts with excess O2
What is 6.71 g of CaO?
Mass of Ca3N2 formed when 8.75 g of Ca reacts with 12.5 g of N2. (Give equation)
What is 10.82 g Ca3N2?