ANATOMY AND PHYSIOLOGY PROCTORED EXAM 2025 LATEST VERSION. ACCURATE EXAM QUESTIONS & CORRECT ANSWER.

ANATOMY AND PHYSIOLOGY PROCTORED EXAM 2025 LATEST VERSION. ACCURATE EXAM QUESTIONS & CORRECT ANSWER. elements - CORRECT-substance composed of only one type of atom that cannot be broken into simpler constituents by chemical means compounds - CORRECT-chemical combination of two or more elements atoms - CORRECT-smallest particle of a chemical element that retains the properties of that element; particles that combine to form molecules subatomic particles - CORRECT-particles that make up atoms; neutrons, protons, electrons nucleus - CORRECT-dense, central core of an atom protons - CORRECT-positively charged subatomic particle neutrons - CORRECT-neutral subatomic particle electrons - CORRECT-small, negatively charged subatomic particle atomic number - CORRECT-number of protons in an atom of an element mass number (atomic mass) - CORRECT-number of protons plus the number of neutrons in an atom of an element energy level - CORRECT-limited region surrounding the nucleus of an atom at a certain distance containing electrons; shell octet rule - CORRECT-atoms with fewer or more than eight electrons in the outer energy level will attempt to lose, gain, or share electrons with other atoms to achieve stability inert - CORRECT-stable element; maximum amount of electrons in outer shell atomic weight - CORRECT-average atomic mass of an atom of an element as it is found in nature; atomic weights are usually found in the periodic table of elements radioisotope - CORRECT-unstable isotope that undergoes nuclear breakdown and emits nuclear particles and radiation decay - CORRECT- emition of nuclear particles and radiation chemical reaction - CORRECT-interaction between two or more atoms that occurs as a result of activity between electrons in their outermost energy levels molecules - CORRECT-two or more atoms covalently joined together chemical bonds - CORRECT-energy relationship joining two or more atoms; involves sharing or exchange of electrons ions - CORRECT-electrically charged atom or group of atoms ionic bond (electrovalent bond) - CORRECT-formed by transfer of electrons; strong electrostatic force that binds positively and negatively charged ions together