A. For the isotope chlorine-37: a. How many protons are in chlorine-37? b. How many neutrons are in chlorine-37? c. How many electrons are in chlorine-37? d. Is chlorine-37 a metal or a nonmetal? e. What is the charge of the most probable ion formed from chlorine-37? f. What are the numbers of the row and group that locate chlorine in the periodic table? g. Is chlorine a representative element or a transition element? 2. A natural sample of chromium, taken from the ground, will contain four isotopes: Cr-50, Cr-52, Cr-53, and Cr-54. Predict which isotope is in greatest abundance. Explain your reasoning. 3. For the element sulfur, provide the following information: a. Atomic number b. Elemental symbol c. Average atomic mass d. Number of protons in one atom e. Number of electrons in one atom f. The most probable charge of an ion formed from sulfur g. Number of electrons in the ion referred to in part (f) 4. Create a concept map that illustrates the relationship between electronic structure and ions. 5. Comparing bromine and chlorine, a. Which atom is larger? b. Which atom has the larger ionization energy? c. Which atom has the larger electron affinity? d. Write the electron configuration of chlorine. e. Write the electron configuration of bromine. f. What are the charges of the ions formed from chlorine and bromine? g. Write the electron configurations of the ions referred to in part (f). 6. Name five elements that you came in contact with today. Were they in a combined form or did they exist in the form of atoms? Were they present in a pure form or in mixtures? If mixtures, were they heterogeneous or homogeneous? Locate each in the periodic table by providing the group and period designation-for example: Group 2 (or IIA), period 3. 7. Consider the element magnesium: a. Is it an alkali metal or an alkaline earth element? b. Is it a cation former or an anion former? c. In which sublevel is its outermost (highest energy) electron located? d. Write the shorthand electron configuration of magnesium.