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- 1.Match the following terms with their correct definitions: matter, atom, molecule, element, and compound. A) The smallest unit of matter that retains the properties of their specific type of matter: _______ B) A substance that cannot be broken into a simpler substance: _________ C) Anything that occupies space and takes up mass: _________ D) Substances with two or more elements in a fixed ratio: _________ E) Atoms that are bonded to one another covalently: _________ 2.Where can you find all of the elements listed by their atomic number? 3.List the elements make up the majority of a human body. 4.Is H2O an element? If not, explain your answer. 5.Neapolitan ice cream is vanilla, chocolate, and strawberry combined in a 1:1:1 ratio. Briefly explain how Neapolitan ice cream is a good analogy that helps students understand the relationship between compounds and elements. 6.An atom comprises what three subatomic particles? A) B) C) 7.Match the following terms to the proper…2. How do oils and fats differ? Explain for 6 sentences4. Classify proteins according to nutritional value. To which classification does albumin and gelatin belong?
- 14. Carbohydrates are composed of which elements? (13. What is the steady-state accumulation of mercury in a person who eats 500 g of tuna daily that contains 0.2 ppm of mercury?5. A student is studying calcium, a highly reactive element that humans need for strong bones. Which characteristic of calcium is most closely related to its chemical reactivity? The 20 protons in each atom of calcium The density of calcium, which is 1.54 g/cm The atomic mass of calcium, which is 40.078 amu The 2 valence electrons in each atom of calcium CLEAR ALL ( PREVIOUS NEXT REVIEW & SUBMI OvI 11:4
- 2. Characterize the physical chemical properties of protein solution. What is the viscosity of the protein solution?9. In addition to covalent bonds between the atoms within a molecule, molecules sometimes have weak chemical attractions to other molecules, called intermolecular attractions. List the two types of intermolecular attractions are particularly important in the human body:3. Diet Big Red soda contains citric acid, as shown in the ingredient list below, Carbonated Water, Citric Acid, Natural and Artificial Flavors, Sucralose, Sodium Benzoate, Caffeine, Malic Acid, Red 40, Acesulfame Potassium, Phosphoric Acid, and Acacia Gum What are two obvious reasons that we did not try to determine the citric acid content in a "flat" sample of Diet Big Red soda?