Weakest forces - Study guides, Class notes & Summaries

Chemistry- (Unit 1) Cumulative Review Questions and Answers 100% Pass Which of the following indicates a substance is pure? It does not dissolve in water. It changes color when heated. It cannot be separated into different types of atoms by physical means. It can be separated into different types of molecules by physical means. It cannot be separated into different types of atoms by physical means. What did Johann Dobereiner contribute to the periodic table? He ordered element...

BTEC Applied Science Unit 1 Chemistry - Distinction. How many electrons can an s subshell hold? correct answer2 How many electrons can a p subshell hold? correct answer6 How many electrons can a d subshell hold? correct answer10 Which subshells are available in the first energy level? correct answers Which subshells are available in the second energy level? correct answers and p Which subshells are available in the third energy level? correct answers, p and d What is Hund's rule? correct ...

Bios 1300 Cumulative Final Questions and Answers Rated A+ Which of the following bond types is the weakest? Isotopic bonds Van der Waals forces Hydrogen bonds Ionic bonds Nonpolar covalent bonds Polar covalent bonds Van der Waals forces The lower the pH of a solution, the ________. lower the H+ concentration more neutral the solution is greater the number of oxygen atoms greater the number of H+ in solution less toxic the solution is greater the number of H+ in solution Which functio...

What are the bonds that hold elements together? From strongest to weakest. Correct Answer: - Covalent bond - Ionic Bond - Hydrogen Bond - Van Der Waal's forces What is one of the main functions of Cysteine as an amino acid? Correct Answer: Formation of Di-sulphide bridges What are the 4 levels of Protein structure? Give explanation/examples of each. Correct Answer: 1. Primary - Simply the unique sequence of amino acids making up the single, linear chain of a polypeptide 2. Seco...

What is the difference in the properties of a solid, liquid, or gas reflect the strengths of the attractive forces between the molecules that make up each phase? - ANSWERintermolecular forces What are the examples of intermolecular forces? - ANSWERdispersion, dipole-dipole, hydrogen bonding Dipole-dipole interactions are attractive forces that act between ______ molecules. - ANSWERpolar Polar molecules have permanent dipoles. The positive end of one permanent dipole is attracted to the ...

Which of the following bond types is the weakest? Isotopic bonds Van der Waals forces Hydrogen bonds Ionic bonds Nonpolar covalent bonds Polar covalent bonds correct answers Van der Waals forces The lower the pH of a solution, the ________. lower the H+ concentration more neutral the solution is greater the number of oxygen atoms greater the number of H+ in solution less toxic the solution is correct answers greater the number of H+ in solution Which functional group is made of ...

________ reacts with amino groups to form shift bases - aldehyde 8. What volume of 2 M HCl is required to completely titrate a 4 mmol monosodium aspartate (Asp.Na) solution? a. 2 ml b. 3 ml c. 4 ml d. 6 ml or more - C; 2x4 = 8 /2 = 4 ml A 42-amino acids peptide related to the extracellular Alzheimer amyloid deposits has the last few residues immersed in the membrane bilayer(must be nonpolar). Based on your knowledge about membrane proteins, which of the following sequences most probabl...

2 © OCR 2023 Section A You should spend a maximum of 20 minutes on this section. Write your answer to each question in the box provided. 1 A spaceship travels from planet P to planet Q. The diagram shows the size of the forces acting on the spaceship. P Q Which sentence describes the motion of the spaceship? A It is accelerating. B It is decelerating. C It is staying at a constant speed. D Its speed is decreasing then increasing. Your answer [1] 2 Velocity is a vector. Which row ...

BTEC Applied Science Unit 1 Chemistry - Distinction. How many electrons can an s subshell hold? correct answer2 How many electrons can a p subshell hold? correct answer6 How many electrons can a d subshell hold? correct answer10 Which subshells are available in the first energy level? correct answers Which subshells are available in the second energy level? correct answers and p Which subshells are available in the third energy level? correct answers, p and d What is Hund's rule? correct ...

Bios 1300 Cumulative Final Exam Questions with Correct Answers Which of the following bond types is the weakest? Isotopic bonds Van der Waals forces Hydrogen bonds Ionic bonds Nonpolar covalent bonds Polar covalent bonds - Answer-Van der Waals forces The lower the pH of a solution, the ________. lower the H+ concentration more neutral the solution is greater the number of oxygen atoms greater the number of H+ in solution less toxic the solution is - Answer-greater the number of H...