7. An unknown liquid occupies a volume of 5 ml and has a mass of 40 grams. Find its density. *
O A. 20 g/mL
OB. 35 g/mL
O C. 200 g/mL
O D. 8 g/mL

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.

At 300 mm hg, a gas has a volume of 380 l, what is the volume at standard pressure

Apiece of metal with a length of 1.42 cm was measured using four different instruments. which of the following measurements is the most accurate?