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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Data Table: Qualitative Cation Tests Name Test Tube 1: HClNH3 Test Tube 2: NaOHExcess Aluminum 3+ No precipitate Slightly milky Dissolves Ammonium + No Precipitate No precipitate Calcium 2+ No Precipitate Milky white precipitate Precipitate does not dissolve Copper 2+ No precipitate Became much darker blue and milky Iron 3+ Brighter yellow Orange precipitate that then dissolves Lead 2+ Milky white precipitate Precipitate gets more milky Silver + Milky white precipitate Precipitate gets
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Answer keys PRACTICE TEST 1 LISTENING Section 1 1 A 2 C 3 D 4 D 5 C 6 Prescott (must be correct spelling with capital “P”) 7 41 8 Fountain (must have capital “F”) 9 752239 10 £65 Section 2 11 E 12 F 13 H 14 $250 million 15 roads//road system 16 too late 17 school children//boys 18 3 19 boats//pleasure crafty/boats and pleasure craft 20 pilot 21 (musical) instruments Section 3 22 A 23 B 24 C 25 A 26 talk//give a talk 27 write up work 28 can choose 29 open book
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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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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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Review on the movie “The mysteries of Hieronymus Bosch’’ This film is based on the research of Nicholas Baum‚ a man who once saw Bosch’s painting called “The Garden of pleasures” and since then couldn’t live without not trying to find the meaning of the great amount of symbols in the painting. When he started researching he found that interpreting Bosch’s works is a very difficult task‚ because there were too many opposite opinions on this topic. So‚ he needed to come up with his own ideas
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THE POWER OF MYSTERY IN JACQUES JOSEPH TISSOT’S WAITING FOR THE TRAIN (WILLESDEN JUNCTION) When creating a new work an artist carefully considers each decision they make. From the positioning of objects and the composition and framing to the hues of their colours‚ no decision is too small as each not only contributes to the overall meaning of the work but has great effect on how the work is received by the viewer. Closer inspection of the tools which an artist deploys to achieve their goals such
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Identification of Mystery Plasmids Abstract Plasmids serve as important tools in genetics and biotechnology labs‚ where they are commonly used make many copies of a particular gene. The aim of this experiment was to identify three mystery plasmids based upon their characteristics; such as size‚ antibiotic resistance‚ lacZ profile and conjugative properties. The results obtained showed that plasmid number2 was the pDSK519 plasmid and its size was 26229.58 Bp. Plasmid pDSK519 also was found to be
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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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In the Myers-Briggs Type indicator/Jung’s Typology Test results I scored ENFJ‚ which stands for extrovert‚ intuitive‚ feeler‚ and judger. These results seem extremely accurate to me. I do enjoy spending time with people‚ talking to them‚ and trying my best to understand them. People fascinate me yet I find it difficult to open up to the people around me‚ which is a common characteristic among ENFJ’s. Being intuitive‚ I tend to look at the big picture rather than detail. I rely on my gut rather than
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