7. Which atom is most likely to form a 3+ ion? A. Al B. Kr C. Li D. Si 8. Which is true about the elements in a particular group in the periodic table? A. they have the same number of protons B. they have the same number of electrons C. they have the same number of energy levels D. they have the same number of valence electrons 9. When writing the chemical formula for an ionic compound, which will you write first? A. Positive ion B. Negative ion C. Charge of the ion D. Subscript of the ion 10. How will you write the ion of Bromine that gains 1 electron during the process of chemical bonding? A. B+1 B. B-1 C. Br+1 D. Br-1
Answer (1)
7. a. Al8. d. they have the same number of valence electrons9. a. positive ion 10. d. Br -1
