Which statement best explains the octet rule? atoms gain, lose, or share electrons to achieve a full valence shell. compounds always consist of eight electrons. molecules always consist of eight atoms. all atoms require eight electrons to form bonds.

Part 1: include important facts found through your research. part 2: include your visual display. include your summary of “the chemistry of water” from the national science foundation website. include your experiment. part 3: include responses to the reflection questions.

Choose an equation that represents an enzyme-catalyzed reaction. (a) enzyme + substrate → enzyme-substrate complex (b) enzyme + substrate ←−→ enzyme + products (c) enzyme + substrate ←−→ enzyme-substrate complex → enzyme + products (d) enzyme + substrate ←−→ enzyme-substrate complex → enzyme-substrate complex + products

No copying 15 pts how does a free-body diagram tell you about the net force on an object?