• What are the important characteristics of atoms and elements? • What are the different types of chemical bonds? • What are the various types of chemical reactions and solutions? • What determines acidity and alkalinity, and how do they relate to the pH scale?

When cations and anions meet they Group of answer choices A) repel. B) form ionic bonds. C) form covalent bonds. D) form individual molecules.

Lipids List the different groups of lipids presented in the course notes. Saturated: Unsaturated: Hydrophilic: Hydrophobic: Search L What elements make up this organic compound? In your own words, define the terms below: pe: # 6 ENG US 4x 10 9:24 PM 3/30/2023

Water Properties Submit 3 4 5 6. 7 9. 10 8 of 10 Question 8 Directions: Answers must be in essay form. Outline form is not acceptable. Labeled diagrams may be used to supplement discussion, but in no case will a diagram alone suffice. It is important that you read each question completely before you begin. Water is important for all living organisms. The functions of water are directly related to its physical properties. Describe how the properties of water contribute to TWO of the following. • transpiration • thermoregulation in endotherms plasma membrane structure B IU x? X2 Ω 0/10000 Word Limit II !!!

Identify one type of noncovalent bond present in each solid. Table salt (NaCl) Graphite (C repeating)     Answer bank: van der Waals interactions, hydrophobic interactions, hydrogen bonds, ionic interactions

What type of bond would form when electrons are sharedbetween an atom with stronger electronegativity and anatom with weaker electronegativity?

Drag the labels to their appropriate locations on the diagram of the water molecules below. Labels can be used once, more than once, or not at all. • View Available Hint(s) Reset Help Group 2 H Group 1 8+ H Group 1 8- H Group 2 hydrogen bond Group 1 Group 2 covalent H bond ionic bond Group 2 Group 1 H H 9)

describe the biologically important properties of water;

What would be the simplest way to tell the difference in non polar covalent bonds, polar covalent bonds, and an ionic bond? Would I be able to tell if the charge is negative or positive? If so- how?

H B H H A H H What do we call the bonds labelled A and B? Covalent bond, hydrogen bond Hydrogen bond, ionic bond lonic bond, covalent bond Hydrogen bond, covalent bond H