Titanium Ti Atomic Number: 22 Atomic Mass: 47.867 Protons:22 Electrons:22 Neutrons:26 8. Titanium is a metal and in the family of transition metals. It belongs to group 4 of the periodic table. 9. Titanium is a silver‚ lustre‚ low in density but is a strong metal. This metal forms a passive but protective oxide coating when exposed to elevated temperatures in air but at room temperatures it resists tarnishing. The most noted chemical property of Titanium is its excellent resistant
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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 the nature of ligands. 4. Give a brief account of separation of lanthanide elements
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you go up or down a group‚ but they increase as you go from left to right across the periodic table. The preceding statement works very well for the representative elements‚ but it comes a bit short of the truth when you start talking about the transition elements. Electrons going into the d sublevels of
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have forayed into almost all domains of work. From being a house maker to being a CEO‚ they have come a long distance .But because this phenomenon is something against the conventions of past‚ we need to analyze its current aspects to see how this transition has been and did it bring a desirable results. As per ISCO-08‚ there are ten major groups of job. The presence of women vs. men in these groups is as below: * Minimal presence in - * MAJOR GROUP 1 – MANAGERS * MAJOR GROUP 8- PLANT
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Comparing the Density of Metals Question: What is the effect of changing the type of metal on its density? Hypothesis: If a different metal type is used‚ then the density will change. Materials: 4 metal samples Balance 50 ml graduated cylinder Water Paper towels Apparatus: Pre-Lab Questions: 1. What’s the formula to calculate density? D = M / V
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Aim: To compare the reactivity of various metals by observing their reaction with hydrochloric acid. Materials: 2 M hydrochloric acid Detergent Test tubes and test tube rack 0.5 pieces of magnesium‚ aluminium‚ iron‚ zinc and cooper Sand paper Ruler Timer Bench mat Method: 1. The surface of the magnesium was cleaned with a piece of sandpaper 2. The Magnesium was placed into a test tube 3. Three Drops of detergent were added to the test tube 4. 2cm of hydrochloric acid was added
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Colors of Metals Abstract The experiment about flame color of metals demonstrates how electrons jump into their excitedstate from their ground state as it came in contact with heat. As it return to its lower energy state‚it emits the absorbed energy in the form of light. A platinum or nichrome wire was dipped into aconcentrated HCL and was heated to clean it. The wire was dipped into different salt solutionsand heated in order to determine the metallic ion’s color and wavelength. Metal ions emitting
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Employability Skills Self-Assessment Exercise Self-assessment is the first step of the career planning process. During a self-assessment you gather information about yourself in order to make an informed career decision. A self-assessment should include a look at the following: values‚ interests‚ personality‚ and skills. Values are the things that are important to you‚ like achievement‚ status‚ and autonomy. Interests are what you enjoy doing‚ i.e. playing basketball‚ taking long walks‚ hanging out
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OPRE 6366.502 Cisco Systems Case Study Report Assignment 1 DUE DATE: SUBMISSION DETAILS: MIDNIGHT on Wednesday‚ December 12‚ 2012 Your report must be fully contained within one file and submitted through eLearning. Your report will only be accepted through eLearning. Plan accordingly and wisely. Reports submitted after the due date will receive a 10% grade penalty for each day it is late. The time stamp on your eLearning submission will determine the late penalty. 1) This report will be completed
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Mini Proposal Faculty of Education University of Malaya Topic of Research: Development and Evaluation of Humanism Elements in teaching and learning ‘Periodic Table of Elements’ among Form 4 students Prepared by: LIM PEI LEE (PGJ 110010) Post Graduate for Master in Education (Science Education) Semester 2‚ Session 2011/2012‚ Education Faculty‚ University of Malaya. Table of Contents |No. |Contents
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