For a neutrally charged atom, which of these must be true?

What is the mass of 8 moles of sodium atoms

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

Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation: