A science student found a meteorite while hiking in a national park. A meteorite is a piece of rock that has fallen to Earth from space. It contained an element that was composed of 24 protons, 24 electrons, and 28 neutrons. What information does the science student need to identify the unknown element, and what is the element?

Group of answer choices

A: She needs the total number of atomic particles, 24 + 24 + 28 = 76. The element is Os, osmium.

B: She needs the number of neutrons, 28. The element is Ni, nickel.

C: She needs the number of protons, 24. The element is Cr, chromium.

D: She needs the total number of protons and neutrons, 24 + 24 = 48. The element is Cd, cadmium.

Flag question: Question 5

Which of the following might a chemist choose to study? a. glacier movement in alaska b. better ways to recycle plastics c. the effects of hurricanes on turtle populations d. the vibrations in bridges caused by big trucks

Part b: study of equilibrium on solubility: mg(oh)2(s) ⇌ mg2+(aq) + 2 oh–(aq) cloudy clear (pink) 7. a. b. 8. a. b. 9. 10. 11. 12. when adding concentrated hydrochloric acid, how did the appearance of the equilibrium mixture change? the change in appearance indicated a shift in the point of equilibrium. in which direction did the equilibrium shift? (l) left (r) right explain your answer to question 7a. you should indicate which ion was added to or removed from the equilibrium mixture. when adding edta, how did the appearance of the equilibrium mixture change? the change in appearance indicated a shift in the point of equilibrium. in which direction did the equilibrium shift? (l) left (r) right explain your answer to question 8a. you should indicate which ion was added to or removed from the equilibrium mixture. upon heating in which direction is the equilibrium shifting? upon cooling in which direction is the equilibrium shifting? is the forward reaction a. endothermic explain your answers to questions 9, 10, and 11. (l) left (r) right (l) left (r) right b. exothermic

If i add water to oil what will happen