Flammable materials, like alcohol, should never be dispensed or used near Group of answer choices an open door. a sink. another student. an open flame.

Water (2510 g ) is heated until it just begins to boil. if the water absorbs 5.09×105 j of heat in the process, what was the initial temperature of the water?

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

Why is nh3 classified as a polar molecule