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BIO-100 Exam 5 2025 Questions and Answers elements - ....ANSWER☑️☑️...-substances that cannot be broken down into simpler substances by chemical reactions 92 - ....ANSWER☑️☑️...-There are ___ naturally occurring elements atomic number - ....ANSWER☑️☑️...-Signifies the number of protons an element has on the periodic table atomic weight - ....ANSWER☑️☑️...-Signifies the number of protons + the number of neutrons an element has on the periodic table neutrons - ....ANSWER☑️☑️...-Atomic weight often appears as a decimal because it averages all naturally occurring forms of the element, which vary in number of ____ 25 - ....ANSWER☑️☑️...-How many of the naturally occurring elements are used by the human body? carbon, oxygen, hydrogen, nitrogen - ....ANSWER☑️☑️...-Name the four elements that make up the majority of living matter. trace elements - ....ANSWER☑️☑️...-14 elements such as zinc and iron which the body requires only in very small amounts protons and neutrons - ....ANSWER☑️☑️...-Which two atoms located in the nucleus have about the same mass? FOR STUDY PURPOSES ONLY, ©️2025 ALL RIGHTS RESERVED 1