A space probe landed on a alien moon and found that its surface temperature was about --297.33°F. State the phase(s) (solid, liquid, vapor) of each of the following substances on that moon's surface, based on their melting point and boiling point. This temperature is: ___ K

Based on the equation and the information in the table, what is the enthalpy of the reaction?

The difference between the atomic number of an element and the element’s atomic mass is the number of ions.

Match term definition ellipse a) diagonal cross section of a cylinder circle b) diagonal cross section through the widest part of a sphere sphere c) cross section parallel to the base of a cone great circle d) shape created when a semi-circle is rotated around the y-axis triangle e) perpendicular cross section of a cone