Hydrogen bonding - Study guides, Class notes & Summaries

Molecule Unit of matter that results when two or more atoms are joined by covalent bonds Ionic Bond A bond resulting from the electrostatic attraction of a cation for an anion. Brainpower Read More Nonpolar Covalent Bond A bond characterized by an even distribution of charge; electrons in the bonds are shared equally by the two atoms Polar Covalent Bond A bond resulting from unequal sharing of bonding pairs of electrons between atoms Polyatomic Ions Charged g...

Chapter 01 - Structure and Bonding 1. Give the ground-state electron configuration for carbon (atomic number 6). 1s22s22px12py1 or 1s22s22p2 2. Give the ground-state electron configuration for fluorine (atomic number 9). ANSWER: POINTS: 1 1s22s22px2 2py2 2pz1 or 1s22s22p5 3. Give the ground-state electron configuration for magnesium (atomic number 12). 1s22s22p63s2 4. How many electrons does silicon have in its valence shell? ANSWER: four POINTS: 1 Exhibit 1-1 Write valid Lewis (elec...

The outermost electrons - Answer-valence electrons the shell the outermost electrons occupy - Answer-Valence shell Electron pairs in an electron dot structure that are not participating in a chemical bond - Answernon-bonding pair the electric force of attraction between two oppositely charged ions - Answer-ionic bond The fluid hold of electrons which holds the positively charged metal ions together - Answer-metallic bond An electrical attraction in which atoms are held together by their mu...

SCI 228 Week 8 Final Exam Questions and Answers 2024 Question: (CO 1) Which of the following is true regarding the science of nutrition? Question: (CO 1) The second step of the scientific method is Question: (CO 1) Which government agency regulates organic farming standards in the United States? Question: (CO 1) Which of the following is … on all food labels? Question: (CO 1) Which of the following is not an essential nutrient? Question: (CO 1) The standard … to estimate the daily nutr...

The structural level of a protein not affected by disruption in hydrogen bonding is the: - Primary Which property of water allows a paper towel to pick up a puddle of water? - Adhesion Which functional group is critical for energy transfer in a cell? - Phosphate groups The tertiary structure of a protein is determined by: - Interactions between the side chains of the amino acids The smallest unit of life is - A cell Which trait is characteristic of ALL lipids? - They are hydrophobic If th...

List features that distinguish living organisms from nonliving matter. - Answer-1. Cellular basis - All living things consist of one or more cells 2. Requirement for energy and nutrients - Life is sustained by ongoing inputs of energy and nutrients 3. Homeostasis - Living things sense and respond to change 4. DNA is hereditary material - Genetic information in the form of DNA is passed to offspring Describe the levels of organization in the living world. - Answer-Atoms → cells → tissues...

α-helices and β-sheets are primarily stabilized by which of the following interactions? correct answer: hydrogen bonding Domains are common structural elements that retain a particular function within the protein. Which of the following is an example of a protein domain? correct answer: An arrangement of β-strands connected by α-helices (βαβαβ) How do most enzymes reduce the activation energy needed to move a reaction forward? correct answer: Providing an active site most compl...

BCH4024 Exam 1 Purich Questions & Answers 2023/2024 Basic Structure of water - ANSWER--large dipole moment -very polar that interactions between H2O molecules are strong--high heat capacity -liquid water=H-bonds are relentlessly made and broken; thus a flickering collection of W5 structures, with extremely little W1 -each water molecule can form up to 4 H-bonds -liquid water has 3.4 H-bonds on average -ice has 4 H-bonds H-bond - ANSWER-stable interaction occurring when 2 EN atoms shar...

BLG1501 Assignment 1 2024 Semester1 (Solutions) Question 1 Complete Marked out of 2.00 Flag question Question text What is the basic unit of life? a. Cells b. Nuclei c. Organelles d. DNA Question 2 Complete Marked out of 2.00 Flag question Question text RNA is an example of a _____. a. polysaccharide b. fat c. polypeptide d. nucleic acid Question 3 Complete Marked out of 2.00 Flag question Question text What is the chemical composition of fats? a. fatty acid...

ATI COMPREHENSIVE FORM B REVIEW QUESTIONS AND ANSWERS 1) A nurse in an emergency department completes an assessment on an adolescent client that has conduct disorder. The client threatened suicide to teacher at school. Which of the following statements should the nurse include in the assessment? a) Tell me about your siblings b) Tell me what kind of music you like c) Tell me how often do you drink alcohol d) Tell me about your school schedule 2) *A nurse is observing bonding to the clien...