Radiologist salary. Radiologistâs salary in the United States is about $216,577 per year. In fact, an overall salary for a radiologist is determined by various factors such as geographic region, years of work experience, gender, board certification, and region of practice.adiologist salary. Radiologistâs salary in the United States is about $216,577 per year. In fact, an overall salary for a radiologist is determined by various factors such as geographic region, years of work experience, gender, board certification, and region of practice.
What happens to a chemical bond during a chemical reaction? Chemical reactions always involve changes in the chemical bonds  that join atoms in compounds. At least one chemical bond is broken  or formed during a chemical reaction.
Photos.com/AbleStock.com/Getty Images. A chemical reaction is the transformation of one or more chemical substances, called reactants, into another set of chemical substances, called products.. Chemical reactions involve the breakage and formation of chemical bonds, and this has an associated transfer of energy.ndothermic Reactions. Endothermic chemical reactions absorb energy from their surroundings. Usually these reactions cause the surroundings and the reaction mixture to decrease in temperature.