Make at least 3 observations that compare the Polonium nucleus before and after it decays?

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

Asolid that forms and separates from a liquid mixture is called

Which statement is true about hcl? (5 points) select one: a. it is a salt because it increases the concentration of metallic ions. b. it is a salt because it is formed by the reaction of an acid and a base. c. it is an acid because it increases the concentration of hydroxyl ions. d. it is an acid because it increases the concentration of hydronium ions.