Answer the following question: Answer the following question given this paragraph: Covalent Molecules and Compounds Just as an atom is the simplest unit that has the fundamental chemical properties of an element, a molecule is the simplest unit that has the fundamental chemical properties of a covalent compound. Some pure elements exist as covalent molecules. Hydrogen, nitrogen, oxygen, and the halogens occur naturally. Q: What is the simplest unit that has the fundamental chemical properties of an element? Choices: - neutron - nucleus - cell - atom A:
Answer:
atom