Which terms represent two categories of compounds?

Chemistry Regent Exam August 2022

11. Which terms represent two categories of compounds? (1) chemical and physical

(2) chemical and molecular

(3) ionic and physical (4) ionic and molecular

Explanation: Two categories of compounds are ionic and molecular. Ionic compounds consist of a metal with a nonmetal (such as NaCl) or a metal with a polyatomic ion (such as LiOH). Covalent compounds consist of two or more nonmetals bonded together (such as CH4).

Answer: 4