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Anatomy & Physiology - Chapter 2 Questions and Answers $11.49   Add to cart

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Anatomy & Physiology - Chapter 2 Questions and Answers

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  • Anatomy And Physiology

elements  :-- substance composed of only one type of atom that cannot be broken into simpler constituents by chemical means compounds  :-- chemical combination of two or more elements atoms  :-- smallest particle of a chemical element that retains the properties of that element; p...

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  • August 28, 2024
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  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Anatomy and Physiology
  • Anatomy and Physiology
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Anatomy & Physiology - Chapter 2
Questions and Answers
elements


 :-- substance composed of only one type of atom that cannot be broken into simpler

constituents by chemical means




compounds


 :-- chemical combination of two or more elements




atoms


 :-- smallest particle of a chemical element that retains the properties of that element;

particles that combine to form molecules




subatomic particles


 :-- particles that make up atoms; neutrons, protons, electrons




nucleus


 :-- dense, central core of an atom




protons


 :-- positively charged subatomic particle




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neutrons


 :-- neutral subatomic particle




electrons


 :-- small, negatively charged subatomic particle




atomic number


 :-- number of protons in an atom of an element




mass number (atomic mass)


 :-- number of protons plus the number of neutrons in an atom of an element




energy level


 :-- limited region surrounding the nucleus of an atom at a certain distance containing

electrons; shell




octet rule


 :-- 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




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 :-- stable element; maximum amount of electrons in outer shell




atomic weight


 :-- 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


 :-- unstable isotope that undergoes nuclear breakdown and emits nuclear particles and

radiation




decay


 :-- emition of nuclear particles and radiation




chemical reaction


 :-- interaction between two or more atoms that occurs as a result of activity between

electrons in their outermost energy levels




molecules


 :-- two or more atoms covalently joined together




chemical bonds




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