5.
Write the prope
Multiple Choice Questions
1. Which of the followings is the most
abundant in the atmosphere?
a. Ne
b. Ar
c. Kr
d. Xe
Which of the followings is used in filling
ballons?
a. He
b. Ne
c. Ar
d. Kr
Answer Key
ba C

The boiling point of liquids is very high what does it indicate

Write a hypothesis that answers the lesson question, “while observing a chemical reaction, how can you tell which reactant is limiting? ” hypothesis: if a substance is the limiting reactant, then . . because . .

Which statement is true according to the kinetic theory? a. molecules of different gases with the same mass and temperature always have the same average density. b. molecules of different gases with the same mass and temperature always have the same average volume. c. molecules of different gases with the same mass and temperature always have the same pressure. d. molecules of different gases with the same mass and temperature always have the same molecular mass. e. molecules of different gases with the same mass and temperature always have the same average kinetic energy.