SCIN 130 Quiz 2 - Questions, Answers and Feedback

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SCIN 130 Quiz 2 Question 1 of 31 3.0 Points What is the capacity of a substance to withstand rupture when placed under tension or stress?  A. cohesion  B. adhesion  C. surfact tension  D. ... covalent bond  E. solvent Feedback: Water molecules are attracted to each other because of hydrogen bonding by cohesion – and this gives rise to surface tension. Review water in Chapter 2. Question 2 of 31 3.0 Points Which is an example of an isotope?  A. Hydrogen-1  B. Actinides  C. Halogens  D. Carbon-12 Feedback: Great job. Question 3 of 31 3.0 Points If an atom donates an electron, and becomes positive, another atom will accept the electron, and is negative. What is the bond these atoms will form called?  A. Covalent bond  B. Ionic bond  C. van der Waals interactions  D. Hydrogen bond Feedback: Great job. Question 4 of 31 3.0 Points At the most fundamental level, what is life made up of?  A. matter  B. atom  C. neutron  D. isotope Feedback: All matter is composed of elements, and all elements are made of atoms; but matter occupies spaces and has mass. Review the building blocks of molecules in Chapter 2. Question 5 of 31 3.0 Points What is the reason for chemical bonds between atoms?  A. A vacancy in the outermost shell  B. A full outermost shell  C. A vacancy in the nucleus  D. A full nucleus Feedback: Great job. Question 6 of 31 3.0 Points Which is one of the most abundant natural biopolymers on Earth, only found in plants?  A. cellulose ...............................CONTINUED.............................. [Show More]

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