What metals having only 2 valence electrons

What is the overall order of reaction for rate = k[no]2[o2]

Calcium chloride +gold(1) oxide—>

What type of interaction occurs between the r groups of valine and isoleucine in a tertiary structure? view available hint(s) what type of interaction occurs between the r groups of valine and isoleucine in a tertiary structure? salt bridge disulfide bridge hydrogen bond hydrophobic interaction