In the unbalanced chemical equation shown below, what is the coefficient of aluminum (AI) metal? Al(s) + O2(g) → Al2O3(s)

Aforce of attraction/repulsion due to the spin of electrons what is this force?

How are elements arranged in a periodic table

The gulf stream is a warm water current that flows away from the equator to northern europe. witch of these does it cause. a. crashes of warm and cool water in the ocean b.colder climates near the equator c.large waves on the cost of europe d.warm climates in northern europe