Mike has to learn more about the periodic table for his chemistry exam. To make things easier for him he chose two elements from the table, element A and element B. Element A has higher electronegativity and element B has lower eletronegativity. David found it easier to learn about elements by comparing their properties. Given the paragraph above, please answer correctly the following question: Which element would have less protons in the nucleus, element A or element B?
Ans: element B

Tom and John are both pool owners. Tom prefers to use sodium bisulfate in his pool because he enjoys the smell. John, however, prefers using sodium carbonate in his pool because he believes it helps keep pests away. Given the paragraph above, please answer correctly the following question: Whose pool will have higher levels of carbon dioxide?
Ans: John

Two twin sisters, Bianca and Rosa, were exposed to high levels of air pollution. While Bianca was exposed mostly to indoor pollution, Rosa was heavily exposed to outdoor pollution. Given the paragraph above, please answer correctly the following question: Which sister was more exposed to air pollution because of cutting cooling costs?
Ans: Bianca

Two brothers Syd and Dan went to college. Syd studied plate tectonics and mantle melting. His brother Dan got to study types of soil and pedology. Given the paragraph above, please answer correctly the following question: Which brother studied less about the influence sediments have on mantle melting?
Ans: Dan