The student hopes these samples are gold which has a density of 19.3 g/cm 3. A local geologist suggested that samples might be pyrite which is a mineral with a density of 5.01 g/cm 3. What is the identity of the unknown sample?

Will give brainliest it is a lab from k12 here is the linkfor each metal that participated in a chemical change, write the type of metal it is, based on your examination of the periodic table. type your answer here. (score for question 3: of 5 points) were there any metallic compounds that did not react with either the acid or the base? write the type of metal, based on your examination of the periodic table. type your answer here. (score for question 4: of 5 points) make a general statement about the reactivity of the metals in this experiment. type your answer here.

12. calculate the hydroxide ion concentration of a solution with ph = 3.25. show all calculations leading to an answer

What state of matter is ice a. liquid b. element c. solid d. gas