Provide a brief explanation (two sentences MAX) for your answer based on our discussions of periodic trends. Note: Just saying that the trend goes up/down/left/right is NOT a sufficient answer. (24 pts total: 5 pts each for the trend, 3 pts each for the explanation) a) Rank the following in order of decreasing atomic radius: NAs, BI b)Rank the following in order of increasing electron affinity: Ga, Br, Kr c)Rank the following in order of increasing ionization energy: Ba, Ca, Mg