A neutral atom of a certain element has the electron configuration 1s2 2s2 2p6 3s2 3p4. How many valence electrons does the atom have? a) 4
b) 6
c) 11
d) 16

Which best describes why nh4+ can form an ionic bond with cl-?

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

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