Answer:
There will be 16 electrons in O2-
I think the answer is:
B. Chemical Change.
Answer:
Gallium is silvery white and soft enough to be cut with a knife. It takes on a bluish tinge because of superficial oxidation. Unusual for its low melting point (about 30 °C [86 °F]), gallium also expands upon solidification and supercools readily, remaining a liquid at temperatures as low as 0 °C (32 °F).
Depends on the situation. If the nucleophile is already in excess, then no the reaction will not occur faster
Answer:
B: They are the results of many experiments over a long period of time.
Explanation: