BSC 108 Test 1 | 100% Correct | Verified | 2024 Version
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Course
BSC 108
Institution
BSC 108
What is biology? - the scientific study of life
What are the 3 domains? - Eukarya, Bacteria, Archaea
What is the scientific process? - a formal process of inquiry
What are the components of the scientific method? - observation, question, hypothesis, prediction,
experiment, results
What are the...
BSC 108 Test 1 | 100% Correct | Verified | 2024 Version What is biology? - ✔✔the scientific study of life What are the 3 domains? - ✔✔Eukarya, Bacteria, Archaea What is the scientific process? - ✔✔a formal process of inquiry What are the components of the scientific method? - ✔✔observation, question, hypothesis, prediction, experiment, results What are the components of a good hypothesis? - ✔✔should be specific; usually "if, then" statements What is a theory in science? - ✔✔a broad and comprehensive statement about the world that is supported by the accumulation of a great deal of verifiable evidence; much broader in scope than a hypothesis What are the limits of science? - ✔✔Science is not the only way to understand nature and science cannot address every question posed by man What is an atom composed of? - ✔✔subatomic particles What are the characteristics of neutrons, protons, and electrons? - ✔✔neutrons - no charge protons - positive charge electrons - negative charge What is an ion? - ✔✔an ion is an electrically charged atom, resulted by gaining or losing electrons What is the difference between an ion and isotope? - ✔✔an ion involves a difference in number of valence electrons; an isotope involves a difference in number of neutrons What is the difference between atomic number and atomic mass? - ✔✔atomic number = number of protons atomic mass = number of protons + number of neutrons How can you determine atomic number from atomic mass? - ✔✔atomic number is above element symbol, atomic mass is below element symbol What are the different types of chemical bonds? - ✔✔ionic, covalent, hydrogen How are ionic bonds formed? - ✔✔transferring of outer -shell (valence) electrons How are covalent bonds formed? - ✔✔sharing of outer -shell (valence) electrons How are hydrogen bonds formed? - ✔✔two hydrogen atoms joined to one oxygen by single covalent bonds Which bond is the strongest? - ✔✔covalent bond Which bond is the weakest? - ✔✔hydrogen bond What is the difference between an ionic bond and a covalent bond? - ✔✔ionic bond involves the complete transfer of electrons; a covalent bond involves the sharing of one of more pairs of valence electrons What is a solution? - ✔✔a liquid that is a homogeneous mixture of 2 or more substances What is salt water an example of? - ✔✔a solution
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