Chemistry 210 Exam 1 100% Accurate.

How many protons, neutrons, and electrons are in Ti 4+ ? - ANSWER22 protons, 18 electrons, 26 neutrons Which of the following has 46 electrons A. 118 Sn 2+ 50 B. 116 Sn4+ 50 C. 112 Cd 3+ 48 D. 68 Ga 3+ 31 - ANSWERB. What group of elements is 2a? - ANSWERAlkaline metals Definition of an isotopes - ANSWERsame atomic number, different mass number What is the empirical formula of butyric acid, C4H8O2? - ANSWERC2H4O What is the molar mass of aspartic acid, C4O4H7N? - ANSWER133 g/mol Element X consists of two isotopes. The abundance of one isotope is 32.88% and its atomic mass is 44.8776 amu. The abundance of the second isotope is 67.22% and its atomic mass is 46.9443 amu. What is the average atomic mass of Element X? - ANSWER46.26 amu The element X has two naturally occurring isotopes and an average atomic mass of 121.757 amu. The first isotope has an atomic mass of 120.904 amu and a percent abundance of 57.30%. What is the mass of the second isotope? - ANSWER122.9 amu Which ones are ionic compounds? A. P2O5 B. Na3N C. NF3 D. C4H10 - ANSWERNa3N How many molecules of SO3 are in 4.85 x 10^-2 grams of SO3? Molar mass of SO3 is 80.06 g/mol - ANSWER3.65 x 10^20 molecules Cal