16) Elements in the modern version of the periodic table are arranged in order o

Question

16) Elements in the modern version of the periodic table are arranged in order of increasing A) oxidation number D) average atomic mass C) number of isotopes B) atomic mass E) atomic number 17) The formal charge on sulfur in SO42- is , where the Lewis structure of the ion is: :o A) +4 B)-2 C)+2 D)0 E)-4 18) The reason Bromine is more likely to exist as an anion than is potassium is because A) Bromine is bigger than potassium B) Bromine has a greater ionization energy than potassium does C) Bromine has a greater electron affinity than potassium does D) Bromine is a liquid and potassium is a solicd E) Bromine is more metallic than potassium 19) Of the following elements, A) O has the largest negative electron affinity E) C B) K C) B D) Na Part 2: Answer the following questions in the space provided. Write chemical equations to show the first four ionization energies of magnesium. Which of these equations represents the highest ionization energy? (6 points) 1.

Explanation / Answer

16. Increasing atomic number

17. 0

18.c

19.A

20. In magnesium there have 2 valance shell electron ..hence great ionisation energy ..wen one electron removed then only single electron hence easly be remove hence less i.E ..Mg......>Mg+1........>Mg+2

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