Order the following elements in order of decreasing ionization energy. F. He, Ba, Cr

1. what is volume? a) half of the density of a substance b) the amount of matter in a substance c) twice the amount of mass of substance d) the amount of space a substance takes up 2.

Why does 5060 have three significant figures?

Where would you expect clouds and precipitation to form in each type of occluded front?

What is special about nitrogen? and what is it main function?

A 10 L container holds 4 moles of gat at a pressure of 305 kPa. What is the temperature in Kelvins?

4. Between a measuring sylinder and a pipette, which one would you use to measure volume of a solution to give smaller uncertainty range?

List two potential problems with burning garbage.

Mole ratios how can the coefficients in a chemical equation be interpreted. True or False

For taking sip of hot tea, we blow air on it. Justify

The molecules in a solid object A. flow freely around each other B. vibrate slowly C. are completely still all the time