What is more dense, a rock or water and why?

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.

How heavy is thanos? a) 3000 lbs b) all of it c) the price of tea in china d) heavy enough

Suppose you wanted to make 100 grams of water. what is the molar mass of water (h2o)?