What is the density of an object with a mass of 120g and a volume of 7cm3?

When a comet collides with earth, it adds material to our planet and causes great damage. therefore, a collision like this is a a. destructive force b. constructive force c. geologic process and event d. constructive and destructive force

Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation:

From the options provided for each element below, choose the properties that it may have based on its location in the periodic table fluorine (f): highly reactive nonmetal shiny a conductor