Package Title: Testbank Course Title: PAP14 Chapter Number: 02
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1) What are the four major elements found in the chemicals that comprise the human body? a) nitrogen, oxygen, calcium, sodium b) hydrogen, carbon, phosphorus, calcium c) carbon, hydrogen, oxygen ... and nitrogen d) oxygen, nitrogen, potassium, calcium e) potassium, phosphorus, sodium, hydrogen 2) The three types of subatomic particles that are important for understanding chemical reactions in the human body are a) neutrons, quarks, and muons. b) protons, neutrons, and electrons. c) muons, positons, and neutrons. d) electrons, quarks, and protons. e) positons, protons, and neutrons. 3) Which of the following subatomic particles has a neutral charge? a) neutron b) electron c) proton d) Both neutron and electron. e) All of these choices. 4) What region of an atom contains the protons and neutrons? a) cloud b) nucleus c) element d) ring e) shell [Show More]
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