How many joules of energy are lost when 50 g of water is cooled from 45 degrees Celsius to 25 degrees Celsius?

Write a paragraph that provides examples of each stage of volcanic activity, a description of the volcano, and facts about each stage.

Achange in the number of neutrons in an atom will change an blank . when the number of protons changes in an atom, a new element will form.

Which statement correctly describes metallic bonds? a. they form when certain atoms lose electrons and other atoms gain electrons. b. they involve an attraction between anions and cations. they always involvpoth a metal and a nonmetal. d. they can only form between atoms of the same element. e. they form because electrons can move freely between atoms.