Which of the following is best revealed by the bohr model? . a. electrons are found only within the nucleus of an atom.
b. protons orbit the nucleus of an atom in fixed proton shells.
c. neutrons orbit the nucleus of an atom in fixed neutron shells.
d. electrons orbit the nucleus of an atom in fixed electron shells.

What is the percentage by mass of silicon (si) in iron aluminum silicate (fe3al2(sio4)3)?

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.

An object displaces 652 ml of water. the volume of the object is: 0.652 cm³ 6.52 cm³ 65.2 cm³ 652 cm³