1. The mass of a proton is approximately equal to the mass of

A) an alpha particle C) a positron

B) a beta particle D) a neutron

Which of the following lenses is a converging lens? A. Double-convex lens B. Spherical-convex lens C. Plano-concave lens D. Convexo-concave lens

List three factors that affect reaction rates.

What is the weight in grams of 1 mole of ammonium sulfate (NH4) 2SO4?

Milk of magnesia, which is magnesium hydroxide, is used to cure stomach acidity. What is the mode of action of this drug? A) Milk of magnesia is an acid that replaces the hydrochloric acid present in the stomach, thus relieving acidity.

What is the effect of returning nuclear reactor cooling water back into bodies of water?

What two ions are central to the arrhenius definitions of acids and bases?

Question 1 A process in which suthetances chemically rearrange to form new substances o Molecule Energy o Organism O Chemical reaction O Matter O Cellular respiration

What are the uses of evaporative salts?

Which of the following are elements? O2 Ca KF B

Which of the characteristics below best describes organic compounds