3. Which of the following is an example of a polyatomic ion?
a. NO
b. OP-
C. CI
d. Ca²+

0.66y = 0.9x + 0.48 if y has a value of 108.45 what is the value of x?

Voltaic cells produce a positive overall charge. what does this indicate? a. the reaction is likely to be endothermic. b. the reaction is spontaneous. c. the reaction is not likely to occur. d. the reaction is not spontaneous.

Which metals are called noble metals