Plate tectonics is the movement of lithospheric plates. These plates float on the and move because of mantle.

As you go across the periodic table, do atoms get bigger or smaller? Why?

Which substances will make a salt when combined? A. Vinegar and soda B. Soda and wine C. Detergent and ammonia D. Fertilizer and vinegar

Predict the temperature of the water leaving a condenser

Why do protons stay together in the nucleus rather than repel each other? a) Electrons in surrounding atoms cancel the repulsive forces between protons. b) Electrostatic forces between protons and neutrons hold the nucleus together.

An electron in an atom is known to be in a state with magnetic quantum number ml=0. What is the smallest possible value of the principal quantum number of the state?

In the reaction of magnesium with oxygen gas, a considerable amount of energy was released. This is an example of an exothermic reaction.

Why does an air bubble rise to the surface of a glass of water?

What term expresses the ratio of moles of reactants and products according to the coefficients in the balanced chemical equation? A) mole ratio B) reactant ratio C) product ratio D) yield ratio E) none of the above

What are some examples of kinetic energy

Under which conditions would the solubility of a gas be greatest? high pressure and high temperature high pressure and low temperature low pressure and high temperature low pressure and low temperature