The boiling point of a substance in city a is found to be 145 degrees celcius. the boiling point of the same substance in city b is 141 degrees celcuis. which city, a or b, is at a higher elevation? how do you know?

The density of a planet is 0.69 g/cm3 (density of water is 1.0 g/cm3). which of the following planets might this be? a. mercury b. venus c. saturn d. mars

Nonmetal halogen family atmoic mass 35

Need ! asap will mark 10 pts using the room temperature line (orange line) and your periodic table, make lists that identify the state of matter (gas, liquid, or solid) in which each element you plotted exists at room temperature. explain your answers