How many atoms of silicon would there be in a sample that contained 4.66 x 10^30 grams

Gwhich r group would most likely be found in a hydrophobic area of the tertiary structure of a globular protein? which r group would most likely be found in a hydrophobic area of the tertiary structure of a globular protein? −ch2−oh −ch2−o||c−nh2 −ch2−coo− −ch2−ch2−ch2−ch2−n+h3

Which description best characterizes the motion of particles in a solid?

Helium decays to form lithium. which equation correctly describes this decay?