Assignments in Science Class X (Term II) 4 Carbon and its Compounds IMPORTANT NOTES 9. Unsaturated organic compounds : Organic compounds in which a double or a triple bond exists between two carbon atoms in a carbon chain‚ are called unsaturated organic compounds. 10. Hydrocarbons : Organic compounds which contain only carbon and hydrogen atoms are called hydrocarbons. 11. Straight chain hydrocarbons : Hydrocarbons‚ in which all the carbon atoms are linked to one another in a straight chain
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Carbon and Its Compounds Carbon: Introduction Atomic Number: 6 Electronic Configuration: 2‚ 4. Valence electrons: 4 Property: Non-metal Abundance:- Carbon is the 4th most abundant substance in universe and 15th most abundant substance in the earth’s crust. Compounds having carbon atoms among the components are known as carbon compounds. Previously‚ carbon compounds could only be obtained from a living source; hence they are also known as organic compounds. Bonding In Carbon:- The Covalent
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Speed dating is today a social and commercial phenomenon among other ways to find a mate in our busy and global society. It paradoxically began in 1999 with the Rabbi Yaacov Deyo who invented this system to allow single Jewish men and women to meet in a safe‚ chaperoned environment and therefore facilitate weddings in Los Angeles. How does it work? It is organised in parties that take place in clubs or restaurants and cost between 30 and 80 dollars. 10 to 25 men and the same number of women (usually
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Online dating which allows individuals‚ couples and groups to make contact and communicate with each other over the Internet‚ usually with the objective of developing a personal romantic or sexual relationship. Around 30% of America’s 80 million baby boomers are single. Since 2003‚ several free dating sites‚ operating on ad based-revenue rather than monthly subscriptions‚ have appeared and become increasingly popular. These advertisements are nothing but merely deception. The way it works
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destructive nature. I will start by describing the carbon cycle and how elements of my lifestyle impact the cycle. Photosynthesis converts the Carbon dioxide gas that exists in the atmosphere and in dissolved water to organic carbon. Organic carbon is brought back into carbon dioxide gas by a process called respiration. There are sources of organic carbon underground in the form of fossil fuels‚ human emissions and volcanic activity brings the stored carbon back into the cycle. As a human being who feed
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Research Topic The introduction of a carbon tax in Australia would have implications for economic and environmental sustainability. Obviously in the longer term the aim of the tax is to promote environmental sustainability but in the short term there will be implications for economic sustainability for a range of businesses and households. Using a range of current sources including reports and newspaper articles discuss the short and longer term implications of a carbon tax for the tourism and hospitality
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Online Dating “Are you ready to find the love of your life?”‚ “Experience the difference”‚ “Someone special is already waiting for you” are all different things you might hear on an online dating commercial‚ but is it really as good as they say? According to a study conducted by the Washington Post and PC World not even 20% of the connections made on these websites turn into committed relationships. Conventional dating is much safer and efficient than online dating in finding someone one actually
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Online Dating vs. Traditional Dating Society today has changed in many ways. For example‚ we now have something called "online dating." There is also traditional dating‚ which has been around for centuries. Online dating and traditional dating have many similarities‚ but yet at the same time have many differences. Online dating is one of technologies new advances. People can go to websites‚ create a profile describing themselves in full detail and chat with the opposite sex. Then the person
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Carbon Trading: Future Money Making Venture for India Sarika Gupta Assistant Professor‚ P.M.B. Gujrati Commerce Collage‚ Indore Abstract Carbon Trading are generated by enterprises in the developing world that shift to cleaner technologies and thereby consumption‚ consequently reducing their greenhouse gas emissions. For each tone of carbon dioxide (the major GHG) emission avoided‚ the entity can get a carbon emission certificate which they can sell either immediately or through a futures market
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