How could you tell the following three white artificial sweetener powders apart using flame tests? You have: Equal® (C14H]gN2O5, a non-ionic compound that doesn't produce a metal ion), Ace-K (KC;H. NO. S), and Sweet 'N Low (Ca(CH4NO:S)2).

Match each object to its description: a. coma of a comet b. comet tail c. oort cloud haze surrounding a nucleus created by solar wind. hypothetical sphere around the solar system

Achef makes salad dressing by mixing oil, vinegar, and spices, as shown. which type of matter is the salad dressing?

Which of the following statements is true? a. elements in the last period are radioactive. b. atomic weight is the same as atomic mass. c. elements in the same group have the same number of electron shells. d. atomic number equals the number of neutrons in the nucleus of an atom.