D425 Key Concepts for Chemistry AssessmenT
Test with 100% Correct Solutions
% By Mass - ANSWER (g of solute/g of whole) x 100
% By Volume - ANSWER (mL of solute/mL of whole) x 100
% by Mass/Volume - ANSWER (g of solute/mL of whole) x 100
Molarity - ANSWER moles of solute/L of solution
Dilution Formula - ANSWER C1V1 = C2V2
Density - ANSWER mass/volume
Average Atomic Mass - ANSWER (isotope mass x decimal abundance) sum
VSEPR Shapes - ANSWER Predicts molecular geometry based on electron pairs
1 mole of gas at STP - ANSWER 22.4 L at 273 K and 1 atm
Avogadro's Number - ANSWER 6.02 x 10^23 particles/mole
Periodic Trends - ANSWER Trends in atomic radius, ionization energy, etc.
Ionization Energy - ANSWER Energy required to remove an electron
Test with 100% Correct Solutions
% By Mass - ANSWER (g of solute/g of whole) x 100
% By Volume - ANSWER (mL of solute/mL of whole) x 100
% by Mass/Volume - ANSWER (g of solute/mL of whole) x 100
Molarity - ANSWER moles of solute/L of solution
Dilution Formula - ANSWER C1V1 = C2V2
Density - ANSWER mass/volume
Average Atomic Mass - ANSWER (isotope mass x decimal abundance) sum
VSEPR Shapes - ANSWER Predicts molecular geometry based on electron pairs
1 mole of gas at STP - ANSWER 22.4 L at 273 K and 1 atm
Avogadro's Number - ANSWER 6.02 x 10^23 particles/mole
Periodic Trends - ANSWER Trends in atomic radius, ionization energy, etc.
Ionization Energy - ANSWER Energy required to remove an electron