Which of the following statements about subatomic particles best characterizes protons?
positive charge, heavy, found in the nucleus of an atom
no charge, heavy, found in the nucleus of an atom
negative charge, light, circling the nucleus of an atom
no charge, light, circling the nucleus of an atom

Anurse practitioner prepares an injection of promethazine, an antihistamine used to treat allergic rhinitis. if the stock bottle is labeled 25 mg/ml and the order is a dose of 11.0 mg , how many milliliters will the nurse draw up in the syringe?

Which of the following would have less momentum than a 52 kg cheetah running at 10 m/s?

Ill give brainiestif one neutron initiates a fission event that produces two neutrons in the products, how many new reactions can now be initiated? if each of the neutrons produced in the first fission event then initiates a fission event that produces one neutron in the products, how many new reactions can now be initiated by each neutron? how many neutrons in total were produced by the two fission events described?