In which orbitals with the valance of electrons for selenium be placed

According to the tide table below what time of day will the highest tide occur?

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

What is the mass of oxygen gas is consumed in a reaction that produces 4.60mol so2