Question

most of the and some main group metals can form two or more cations with different charges. group 1 metals nonmetal group 2 metals transition metals question 9 1 pts when naming an ionic compound containing a metal cation with a variable charge, a(n) in parenthesis is used to specify the charge on cation. arabic numeral roman numeral binary number hexadecimal number

Explanation:

1. Transition metals have variable oxidation states and can form two or more cations with different charges. Group 1 and group 2 metals have fixed oxidation states in most of their compounds. Non - metals usually form anions.
2. When naming ionic compounds with metal cations of variable charge, Roman numerals in parentheses are used to indicate the charge on the cation. This is part of the Stock system of nomenclature.

Answer:

1. D. transition metals
2. B. Roman numeral