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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The Miraculous Properties of the Fig [I swear] by the fig and the olive. (Qur’an‚ 95:1) Sahih al-Bukhari records Prophet Muhammad (PBUH) stating: "If I had to mention a fruit that descended from paradise‚ I would say this is it because the paradisiacal fruits do not have pits...eat from these fruits for they prevent haemorrhoids‚ prevent piles and help gout." So let’s discuss the benefits of figs‚ throughout the years figs have been used as a remedy for everything from constipation‚ gangrene
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MERCANTILE LAW CA POOJA SHARMA PH NO: 09811599587 THE INDIAN CONTRACT ACT‚ 1872 CHAPTER 1- NATURE OF CONTRACT The law of contract is that branch of law which determines the circumstances in which promise made by the parties to a contract shall be legally binding on them. All of us enter into a number of contracts everyday knowingly or unknowingly. Each contract creates some right and duties upon the contracting parties. Indian contract deals with the enforcement of these rights and duties upon
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Elements of the visual arts Line – line is an important element at the disposal of every artist. Through the lines of a painting or sculpture‚ the artist can make us know what the work is about. He uses lines to represent figures and forms. - Horizontal lines are lines of repose and serenity. They express ideas of calmness and quiescence - Vertical lines are lines poised for action. They are poised‚ balanced‚ forceful‚ and dynamic. - Diagonal lines suggest action and movement
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How does the way we describe something affect the way we see it? People get different types of information from their surrounding through different senses. We have five senses: sight‚ sound‚ touch‚ taste and smell. We rely on it‚ but it is well known that our senses can deceive us. Our perception consists of sensation and interpretation. Interpretation is provided by our minds‚ so each person has different interpretation. This can led to the problem of misunderstanding between people. For example
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The nine properties of life are as follows‚ Order‚ Metabolism‚ Motility‚ Responsiveness‚ Reproduction‚ Development‚ Heredity‚ Evolution and Adaptations. To understand what each of these properties are and their role in life‚ each characteristic will be discussed. First‚ Order is defined as a precise arrangement of units and activities structured together. Second‚ Metabolism is the chemical reaction that is a acquired usage to repair‚ grow and other survival processes. Third is Motility‚ the usage
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Identify and describe three strategies you can use to manage your time. Create a Prioritised to do list. To do this‚ first you must identify the goals or current tasks and list them. Then you must prioritise them on a scale of 1 to …. (1 as the most important)‚ considering urgency and difficulty. Create a work Schedule. This is a list of tasks that have all been allocated a timeframe in which to be completed or contributed to. These schedules can be reviewed and also set out on a daily‚ weekly or
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Properties of Chemical Reactions Ms. Whitty‚ Science 10 Fiona Adams‚ November 1st‚ 2012 Introduction Chemical reactions are a part of our daily lives‚ from rusting metal to making bread to leaves changing colour in the fall. A chemical reaction is the process that occurs when two or more substances combine to produce a chemical change. When a chemical reaction takes place‚ the change is indicated by one or more qualitative properties. The colour or odor could change‚ gas could be produced
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Nature of Taoism Taoism was founded and developed by Chuang-Tzu and Lao-tzu. It is both the philosophical and religious belief that teaches living in harmony with “Dao” which means the path‚ principle‚ or way. “Dao” was an idea before Taoism‚ but it is considered the driving force of everything that exist in Taoism‚ which is why many say that Taoism teaches one to just “go with the flow” of life and the universe. Through Taoism‚ we see the beliefs of wu-wei (non-interference)‚ naturalness‚ and
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Atoms‚ Molecules and Elements Melissa DuBois Chem 110 September 16‚ 2013 Earl Steven Gurley Atoms‚ Molecules and Elements Atoms are the smallest unit of matter and a group of atoms can form chemical bonds in order to form a molecule. Molecules are groups of two or more atoms that have bound together and are the makings of matter. Elements are a substance that has only one type of atom that make up that element. First we can learn about how halogens and alkali metals are extremely reactive‚ where
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