On the periodic table‚ the element calcium is located in group two. Group two is the alkaline earth metals‚ which means calcium is an alkaline earth metal. Also‚ on the periodic table it is located in period four. The block calcium is in is the s-block. The elements in the s-block are located in the first two periodic table groups. The electron shell structure for calcium are 2.8.8.2. For calcium‚ the CAS registry ID‚ which is a unique numerical identifier given to elements by the Chemical Abstracts
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4f and 5f block elements 1. Name the 4f – block elements and give their electronic configuration. Why are Sc‚ Y‚ and La included in the list of lanthanide elements 2. What is lanthanide contraction? How does it affect the chemical behavior of Zr/Hf‚ Hb/Ta‚ Mo/W ? 3. Contrast the electronic spectra of the lanthanide and transition metal ions. Why do the lanthanide ions give rise to very sharp bands in their electronic spectra and why are the magnetic properties of their complexes little affected by
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Of all your courses‚ activities‚ internships‚ and work experience‚ which one did you find most rewarding or personally satisfying? Explain why. The most rewarding work experience that I have had was to work as a volunteer for the International office at Northern Virginia Community College. Personally‚ I considered volunteering responsible work because it requires time effort and commitment. Working as a volunteer with the International Office was meaningful to me because I was able to assist so
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assist in future problems or tasks. Examples include: Here’s what I think you should do... Let me suggest... Here’s the best solution... Using logic‚ Lecturing‚ or Arguing While logic is an ideal tool in solving problems‚ when it is used to block communication it becomes a roadblock to effective leadership. It often makes the one with the problem feel inferior‚ or inadequate by sending messages of
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The Gibbard Block is the establishing shot of a horror film where a nice young couple chooses to honeymoon local in an elegant building that’s lasted more than a century. It’s romantic in a way that suggests some things withstand weather and time with grace. Branded with age‚ the block stands regal‚ all weathered red brick and cornice brackets‚ colored off-white by the time they’ve spent exposed. The first tier of the block is adorned with a green awning‚ the second‚ a neon sign that reads La Boheme
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Prepare for Factoring Block (Algebra) Learning Goal: Get ready for factoring by practicing with factor pairs and factor thinking. This is a (ideally) a two-player game. Game Setup: There is a gameboard‚ a set of game tiles‚ and two sets of player ID cards (one set is X‚ one set is =). It is very important that the game tile pages get printed back to back on cardstock so that when it is cut out‚ you might see correct pairs as the front and back of a card. The player cards (= or x) should
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The Semi - Strong Form of the efficient market hypothesis One of the major theories that form the basis of financial market is the efficient market hypothesis. The extreme position of those who advocate the efficient market hypothesis claims that all the market requires is basic financial information. The semi-strong form of the efficient market hypothesis states that the market incorporates all the known information about a stock‚ the current price reflects this information‚ and this information
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LESSON PLAN Subject : ELECTRONICS Materials needed : Chalk‚ Blackboard‚ Eraser‚ Visual Aids I. Topic : Resistor Color Coding II. Objectives At the end of the lesson‚ the students will 1. State the colors of the resistor color coding accordingly. 2. Name the value of resistors based on the color codes. 3. Appreciate the value of using codes. III. Activities 1. Prayer/Greetings/Introduction. 2. Review of the previous topic. What is resistor? 3. Motivation:
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Humans are as diverse as they are the same‚ even in their opinion of such a statement. There are billions of people communicating countless ideas in a multitude of languages the world over‚ yet somehow common themes and ideas transect the pages of history‚ excluding none. Here in the digital age‚ the surrounding environment continues to become more and more visually-infested‚ nearly keeping pace with the rapid development of communications technology. "In such a world‚ the problem of how words and
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I. OBJECTIVES: At the end of the lesson‚ 75% of the students will be able to; 1. Determine the main ideas of the topic “The Climate Divide” and the reading selection “Warning on Global Warming”. 2. Identify the cause and effect on the given issues. 3. Express feelings about the topics being presented. 4. Arrive at a consensus. 5. Know the connection between the geographical problems of the countries involved in the topics and how it affects the lives of the people. 6
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