LARN 110 C28D2
Bring in one empty aluminum soda, tea, or juice can to use in your next laboratory investigation. If you have extra empty aluminum cans and wish to donate them for use by other students, please feel free bring them in.
Start the following in class:
1. In the upper right corner white space of each upward Journal notebook facing page, write your hand in number within a circle followed by your name. Each journal entry should either be at least a paragraph of exemplary writing and penmanship concerning a single topic, or be a concept map relating chemistry terms. Begin each days paragraph with a topic sentence, follow with explained instances, and close with a focused summary statement. .
The required focus topic, J110A, for today is about the allotropism exhibited by boron, carbon, oxygen, phosphorus, sulfur, tin, and antimony.
a. Name three allotropes of carbon.
b. Name two allotropic forms of oxygen.
c. Explain how allotropes can be different forms of the same element exhibiting differing characteristic properties. Please make your answer to this question longer than one sentence.
d. The aforementioned elements also all exist in more than one isotopic form. Describe what isotopes are.
e. Is it true that isotopic forms refer to the composition of the nuclei of atoms and that allotropes refer to the differing bonding patterns of atoms of the same element? Give examples and reasoning that justifies your response. Please make your answer to this question longer than two sentences.
2. Read pages R42 and R43 on the properties and uses of vanadium, chromium, iron, nickel, copper, zinc, rhodium, platinum, and tin found in Groups 5 through 12 (IVB through VIIB, VIII, IB and IIB) elements. In your learning journal, J110B, record the answers to these questions:
a. What is the most interesting fact you read about? Please make your answer to this question longer than one sentence.
b. What makes this so interesting to you? Please make your answer to this question longer than one sentence.
c. What is one use for one of the aforementioned metals that you either were not familiar with or were least familiar with? Please make your answer to this question longer than one sentence.
3.a. Use the PQ5R or SQ5R method to prepare study guide for text section 13.4 on Changes of State or go to https://socratic.org/chemistry to research the topics brought up in section 13.4 of your text. Read section 13.4 in your chemistry text, pages 401 through 406, and as you do, create a study guide using the SQ5R or PQ5R method explained in class and on the distributed handout packet. You may record vocabulary entries in the body of your study guide, or you may check them off on the chapter 13 vocabulary list that was distributed as you think about the meanings of the terms and add any notations to the vocabulary list for clarifications sake.
3.b. Writing in blue or black ink, place your hand in number in a circle followed by your name in the upper right white space of a piece of three holed composition paper that hasn’t been written on. Place the page reference for the problems to be considered to the left of the red marginal line on the first blue line. Centered on the first blue line,write a descriptive title for the learning activity such as Section [chapter #.section#] Responses.Before you write your response to each question or problem listed below, write its designation to the left of the red marginal line as listed below, followed by your response in ink to the right of the marginal line.
In the Section Assessment 13.4 on page 404, read, analyze, and explain your work for practice problems I13-21, I13-22, I13-23, I13-24, and I13-25.
After you have written your best effort response for each assigned item, check page R93 of the text and check each of those problems that you can by writing in either a check mark (√) or a correction in green ink as we do in class.
Recommended for those who have time left in their 45 minute study period, but not required of all:
1. Continue to review the meanings of the words on the chapter 1, chapter 2, chapter 3, chapter 4, chapter 5, chapter 7, chapter 8, chapter 9, chapter 10, chapter 11, and chapter 12 vocabulary lists. Place a – symbol in front of each word that you have to study more,and a change the- to a + symbol in front when you have demonstrated mastery over the word to a study buddy, parent, or friend.
2. Study the Key Concepts given on pages 33, 57, 95, 121, 148, 180, 206, 246, 280, 314, 346, and 378 of the text.
3. Review those concepts that we have discussed in class that are in your study guides, that are in your text study guide at the end of the chapter, and that on the chapter vocabulary sheet provided to you that describes what is a substance, an element, a compound, a coarse mixture, a colloidal suspension, a solution; an atom; a formula unit, a molecule;a phase, an aqueous phase; a chemical change,a physical change;a chemical reaction, a reactant, a product, a word equation, and a formula unit equation;and how are these concepts different? You need to be able to explain the meaning of each of these terms, and be able to differentiate the terms, be able to compare and contrast these related terms, and give examples that make clear the points that you are trying to explain. Go over each of these concepts with your study partner.
4. Review the SI prefixes and their meanings until you can readily explain the meaning of each listed SI prefix as a numerical multiplier.
5. Think about the fifteen properties of covalent molecular substances listed on the Properties to be understood worksheet describing differences in the properties of metals, ionic compounds, covalent network solids, and covalent molecular compounds. Continue to study this handout for understanding and review how the typical properties of members of these classes of compounds depend on whether the compound has localized or delocalized electrons, and upon whether strong metallic, ionic, or covalent bonding or weak van der Waals forces of attraction are predominant between representative particles of the substances. Try to understand how each property of a given covalent molecular substance is related to the groups of covalently bonded atoms that form molecules whose van der Waals attractive forces only weakly attract other molecules.