Igneous rocks are formed when volcanoes erupt, then the form when the lava cools. so the answer is A.
In chemistry and physics, a valence electron is an outer shell electron that is associated with an atom, and that can participate in the formation of a chemical bond if the outer shell is not closed; in a single covalent bond, both atoms in the bond contribute one valence electron in order to form a shared pair.
Answer:
Intermolecular bonds are found in all of them. They can come in different versions.
Volume is the amount of space an object takes up
Calories heat added = Mass of glass times temp. increase times specific heat of glass
calories (small calories) = l.0 g x 20 degrees x .16 calories/gm/degree C = 3.2 calories
