From the unbalanced equations below, identify the one that does not represent a redox reaction. a. h2co3(aq) → co2(g) + h2o(l) b. c(s) + h2o(g) → co(g) + h2(g) c. s2o32- (aq) + i2(s) → s4o62+ (aq) + i-(aq) d. febr2(aq) + br2(l) → febr3(aq) reset selection

Consider the nuclear equation below. 239 > x + 4 he 94 2 what is x? 1.235 cm 96 2.243 u 92 3.235 u 92 4.243 cm 96

How does a scientist the government? a. the scientist tells people in society what to do. b. the scientist determines the policies that the government spends money on. c. the scientist provides unbiased information to the government. d. the scientist makes laws based on his or her research results.

What are the first three quantum numbers for the electrons located in subshell 2s?