Question

without considering the strong nuclear force, which of the following particles would attract each other

G. Using your answer to F and what you have learned about the polar nature of the water molecule, explain what causes magnesium chloride to dissolve in seawater H. If you heat a container full of seawater, the water will evaporate leaving behind the salts such as magnesium chloride. Considering this evidence, what kind of mixture is seawater? 17. Oxygen (O,) is the second most common gas found in the atmosphere. Study the illustration of an oxygen molecule to the right. A. Is it joined by an ionic or covalent bond? B. How does covalent bonding differ from ionic bonding? oxygen (O,) molecule For each of the following questions, there is a statement with a word or words in bold, dark print. If the statement is true, circle T next to the question. If the statement is false, circle F and then write on the blank line a substitute for the word or words in bold print that would make the statement true. T F The formula for water is H,O. Example: Gold is a compound. TF The molecules in a solid have more thermal energy than the F molecules in a gas. T 18 F The transfer of heat by a moving liquid or gas is called conduction T 19. T F Winds flow from areas of high pressure to other areas of high pressure. 20. (more)

Answer 1

G) The polar nature of water molecule is such that substance with ionic bond like of Magnesium chloride can be easily dissolved in water. The slightly positive charge of hydrogen ion of water attract the negatively charged chlorine ion, while the slightly negative charged oxygen ion attracts the positive charged magnesium ion.

So, if there are a good number of water molecule surrounding the magnesium chloride, the ionic bond will break and the Mg2+ and Cl- will exist as free ion in solution.

(H) It is simply a homogeneous mixture, because the salts and water can be seperated using the process of distillation.

(17) (A) The oxygen molecules are joined together by covalent bond.

(B)In ionic bonding two opposite charged ions attract each other in order to form ionic bond, while in covalent bonding, sharing of electrons between two non metallic atoms is done.