Flame Tests 12.01.2010 19.01.2010 Introduction The normal electron configuration of atoms or ions of an element is known as the “ground state”. In this most stable energy state‚ all electrons are in the lowest energy levels available. When atoms or ions in the ground state are heated to high temperatures‚ some electrons may absorb enough energy to allow them to “jump” to higher energy levels. The element is then said to be in the “excited state”. This excited configuration is unstable‚
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General Guidelines 1. Gathering knowledge of the truth is the best preparation for tests. * Concentrated hours of effective study to force facts into your memory is the best way to prepare for any test. * However‚ teachers often try to test your memory of the material by slightly altering it. In this case‚ practice and some test-taking skill will help. 2. Always arrive early and take a moment to relax and reduce your anxiety. * This brief time period
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Poetry Unit Test Review Mrs. Artzt is going to attempt to determine how well we know the poetry terms by applying them. She is going to give us examples‚ rather than just have us write the definition. The questions asked first are the easiest and they gradually get harder ALWAYS CHOOSE THE BEST ANSWER (if the directions say BEST than there is normally two right answers‚ but you should always choose the best) Types of questions: Questions on dramatic situation Who is speaking? Where is she
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periods is the best way. In our opinion‚ long prison sentences can help to reduce crime because it can make a deterrent for criminals‚ criminals can re-educated though some educated course in prison; and locked up the criminals can protect the safety of innocent people. First of all‚ we think the purpose of long sentences is that it can make people be afraid of long time staying in prison. According to Theguardian‚ in 2012‚ long prison sentences proving the effect of long prison’s deterrent. At
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ĐỀ SỐ 1 SECTION 1: Language usage (30 marks) Circle the correct answer 1. In the long term ........... is due to increase in the price of raw materials. This is the situation where prices rise to keep up with increased production cost. a. devaluation b. inflation c. recession d. crisis 2. In a accordance with our usual terms‚ payment will be by …………This is a letter from a bank authorizing payment of a certain sum to a person or a company. a. cheque b. banker’s draft c. letter of credit d
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Test Corrections- Chap 1 and 2 *I missed questions # 6‚ 15‚ 22‚ 23‚ 24‚ 25‚ 35‚ and 39* 6. The statement‚ “people who have more than 12 years of education and who own a personal computer are more likely to use online dating services than those who have less than 12 years of education and who do not own a personal computer” is a: Incorrect answer: B- theory Correct answer: A- Hypothesis‚ The statement above shows an educated guess between these two variables and how they are related to eachother
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Chapter 16 Test Bank Multiple Choice 1. The Renaissance was born in which of the following cities? a. Athens b. Rome c. Florence d. Pisa Answer: c 2. Cultural and political leadership for the early Renaissance was under the auspices of which of the following families? a. the Lombards b. the Medici c. the Visconti d. the Castiglione Answer: b 3. Which of the following events caused a climate of intellectual skepticism in middle-class men and women of the era? a. the Black
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Oral English Test (O.E.T) Script Interview : Poisons in the Air Hisyam : Assalamualaikum and Hello everyone. Welcome to ‘Teen Talk’. I’m your host‚ Mohd. Hisyamuddin. First and foremost thanks for coming to everyone. The Topic today is Air Pollution‚ and here to talk about is a very young and handsome environmental scientist at the University of Malaya‚ Dr. Hamiddey Esa. Good morning and welcome‚ Dr. Hamiddey. Dr. H : Good morning Hisyam. Hisyam : Shall we start now Doctor? Dr.H : Yes
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nearly every day. Temperatures vary little from month to month. A B (a) tropical rain forest (b) grassland (c) desert (d) taiga (northern boreal forest) (e) tundra (f) temperate deciduous forest Fill in the Blanks Complete each sentence with the correct term. a. desert b. tilt c. biomass d. mass extinctions e. canopy 11. Earth’s ____tilt_________ changes from 22.3° to 24.5° to the plane of its orbit around the Sun. 12. Earth’s biological history includes many examples
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Unit 4 test Please answer the following questions. You may use your Periodic table and vocab (65 points) Match the following items. (14 points) 1. emitted from a cathode ray tube Bohr 2. discovered the neutron Chadwick 3. discovered the electron JJ 4. postulated the quantum atom nucleus 5. discovered the proton electrons 6. father of atomic theory Dalton 7. location of most of the mass of the atom Bohr 1. unlike charges attract 2. like charges repel
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