CLEP Biology (Modern States) Complete Test 2023.

CLEP Biology (Modern States) Complete Test 2023. Elements - ANSWER Cannot be broken down into any other simpler substance Matter - ANSWER anything that takes up space, has mass, and is made of elements Atom - ANSWER smallest unit of matter with elements properties What is the structure of an Atom? (What subatomic particle(s) are on the outer most shell? Where is the nucleus? Location of the other subatomic particle(s)?) - ANSWER Electrons - outer shell Neutrons and protons - inner Nucleus - surrounds the neutrons and protons Compound - ANSWER two or more elements combined in a fixed ratio Molecule - ANSWER two or more of the same OR different elements combined in a fixed ratio Can every Molecule be a Compound? A. Yes B. No - ANSWER B. No Can every Compound be a Molecule A. Yes B. No - ANSWER A. Yes Valence Shell - ANSWER outermost shell of an atom Valence electrons - ANSWER electrons in the outermost shell What type of electrons interacts with other atoms? - ANSWER valence electrons When are atoms the most reactive? - ANSWER When the valence shell is incomplete nonpolar covalent bond - ANSWER A chemical bond formed when two atoms share electrons polar covalent bond - ANSWER A covalent bond in which electrons are not shared equally Anion - ANSWER An ion with a negative charge. Formed by gaining electrons