Silicon has four electrons in its outer energy level. What type of bond is silicon mostly likely to form with other elements? Explain.

Which of the following is a source of dissolved substances in the ocean? a. chemical weathering of rocks b. evaporation of water from the seas and ocean c. excretions from marine organisms d. melting icebergs and sea ice

A sample of 0.010 mole of oxygen gas is confined at 127 °c and 0.80 atmosphere. what would be the pressure of this sample at 27 °c and the same volume?

What is a substanceeas

What are the names and symbols for the three different radioactive particles? What are each made of

When you pur milk on your cereal in the morning are you making a heterogeneous mixture or honogeneous mixture

How do the rates of the forward and reverse reactions change throughout a reaction?

An unknown solution turned red litmus paper red, turned blue litmus paper blue, and didn't conduct electricity. The solution is most likely ... a Basic b Acidic c Neutral d Not enough information to determine

Which of the following does NOT occur at a subduction zone? A. The leading edges of both plates are bent downward. B. Oceanic crust is pushed down into the mantle. C. One oceanic plate moves into another oceanic plate. D.

4. What structural characteristics do all hydrogen atoms have in common?

Which of the following would be a result of increased solar activity? A. Longer winters B. Warmer-than-normal sea surface temperatures C. Colder-than-normal sea surface temperatures D. Shorter summers