Potassium (k) has a charge of +1, and sulfur has a charge of –2. which best describes the compound they make?

When a bicycle coasts uphill, it moves slower and slower as it climbs. why? a. its kinetic energy is transforming into heat energy. b. its potential energy is transforming into kinetic energy. c. its kinetic energy is transforming into potential energy and heat energy. d. its potential energy is transforming into kinetic energy and heat energy.

An isotope undergoes radioactive decay by emitting radiation that has a –1 charge. what other characteristic does the radiation have?

Complete the sentence to describe the law of conservation of energy. the law of conservation of energy states that energy cannot be created