A covalent bond occurs when:

a. Two nonmetal elements share electrons to fill octets

b. An element becomes stable by transferring electrons

C. Two metal elements share electrons

d. none of these

Which statement about proteins is true? Collagen is a structural protein and hemoglobin is a protein involved in the transport of oxygen. Glycogen is a structural protein and collagen is a protein involved in the transport of oxygen.

Which statements correctly describe the process of nuclear fusion? It happens only to large atoms. It occurs naturally in the Sun. It releases a large amount of energy. It bonds atoms together to create molecules.

You may recall that the products of the complete combustion of a hydrocarbon are water vapor and carbon dioxide gas. Write the balanced equation showing the combustion of methane.

What did Ernest Rutherford's gold foil experiment demonstrate about atoms? A:Their positive charge is located in a small region that is called the nucleus. B:Their negative charge is located in small particles that are called electrons.

If 11.7 g of aluminum reacts with 37.2 g of copper (II) sulfate according to the following reaction, how many grams of aluminum sulfate will be produced?

Which two bases pair with each other?

What is the main cause of increased erosion

Where should you keep your glass of soda if you want it to remain fizzy

Why do the atoms in a piece of copper metal have no net charge? -The charges of the positive and negative copper ions cancel each other out. -The number of electrons surrounding each copper nucleus doesn't change.

In a closed system, the total heat given off by warmer substances equals the total heat energy gained by cooler substances (qwater = - qliquid).