Angelo drinks a large glass of water every morning when he wakes up. Which statement best describes the chemical makeup of the water Angelo drinks ?

Which of these properties, used alone, would be least useful in identifying most minerals? a. color b. luster c. streak d. density

Which of the following observations indicates that there is a small, dense, positively charged part in the center of an atom? some uncharged particles are scattered by a gold foil. all uncharged particles are attracted towards a gold foil. all positively charged particles pass straight through a gold foil. some positively charged particles bounce back from a gold foil.

Consider the four elements above. which one of these elements will combine with oxygen in a 1: 1 ratio?