If the atomic number of an element is 6 and its mass number is 4 how many neutrons are contained in the nucleus? a. 14 b. 6 c. 8 d. 20

Which process does not require the presence of a physical substance in order to transfer heat? air in the atmosphere is heated by the ground. this warm air then rises, and cooler air falls. this is an example of what type of process? how is conduction different from radiation?

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

If anyone would be able to me out with these three questions it would be these are from the chem 2202 course.