M12/4/CHEMI/SP2/ENG/TZ1/XX/M MARKSCHEME May 2012 CHEMISTRY Standard Level Paper 2 13 pages –2– M12/4/CHEMI/SP2/ENG/TZ1/XX/M This markscheme is confidential and for the exclusive use of examiners in this examination session. It is the property of the International Baccalaureate and must not be reproduced or distributed to any other person without the authorization of IB Cardiff. –3– M12/4/CHEMI/SP2/ENG/TZ1/XX/M General Marking Instructions Assistant Examiners (AEs) will be contacted by
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TIMELESS BOND Title: Timeless Bond Written by: Marie Faye S. Fuertes Chapters: Seven (7) Genre: Family; Friendship; Romance I would love to hear your suggestions and comments ^ - ^ You can message me on mariefayesfuertes.16@gmail.com Prologue: Sho‚ a twelve-year-old boy‚ and his sister Saya‚ seventeen‚ were left alone when their parents died in a business appointment overseas. They were left with billions of
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THE CHEMISTRY OF LIFE (Review 1-7) I. Basic Chemistry A. Elements 1. Definition- an element is a substance composed of a single type of atom 2. Major elements of the human body 3. Trace elements of the body B. Atoms 1. Definition- the atom is the smallest part of an element which cannot be broken down further by ordinary chemical means. Atoms are composed of protons‚ neutrons and electrons. 2. Particles that make up atoms
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US Savings Bond A US savings bond is a security issued by the US treasury and began being issued during president Roosevelt’s presidency in 1935. A month after the president sign the legislation‚ the first savings bond was issued with a purchase price of 18.75‚ but a face value of $25. These first bonds were eventually nicknamed “the baby bonds”. When bonds first became big was during the US’s involvement with WWII in 1941. These bond were called the Series E Defense bonds and they went towards
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Procedure- I will first visit a site that has previously has heavy industry located on it. Using protective clothing‚ goggles and gloves I will extract several samples of the soil from the site and then take several other samples from different points on the site. This ensures variety of soil to ensure that all the site is safe‚ not just a small area where you would have taken your first sample from. I will return to the lab with the samples of soil I have extracted from the site. Here I will make
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A Broken Bond From the moment that the mother feels her child kicking‚ there is a very strong bond developed. In one’s life‚ a strong maternal bond is crucial. In Laura Esquivel’s novel Like Water for Chocolate‚ it seemed liked Mama Elena was unaware of the importance of this relationship. “Unquestionably‚ when it came to dividing‚ dismantling‚ dismembering‚ desolating‚ detaching‚ dispossessing‚ destroying‚ or dominating‚ Mama Elena was a pro.” Mama Elena was destined to ruin Tita’s life.
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When a metallic substance shares electrons with a non-metal substance it forms covalent bonds‚ which make molecules. The metal becomes positively charged atoms‚ which means that the number of electrons is never less than the number of protons. Non-metals become negatively charged atoms‚ and now the number of electrons is more than the number of protons. When atoms share electrons of nonmetals then a covalent bond is formed inside the molecule. Monatomic elements are elements that only contain one type
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The family system is the most conspicuous bond in the social scheme of things. This bond ties people to each other with invisible strings of love and care‚ each one bonded to all others in his/her entirety. The family that consists of the elder’s brothers‚ sisters and children are all bound to each other no matter how far away they may be from each other physically. The family is the inspiration of each individual member and‚ above all‚ it is the objective for which each individual member lives
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1 Samuel 31‚ 2 Samuel 1-10 – First Samuel ends with Saul’s death. Rather than facing the torment of the Philistines‚ he falls on his own sword‚ but the first chapter of 2 Samuel gives a different account. An Amalekite reports to David that he killed Saul after Saul asked him to run him through with the sword. Either way‚ Saul is now dead‚ and David is made king of Judah‚ while Ishbaal (Saul’s son) supposedly reigns over the rest of Israel. Abner supports Ishbaal at first‚ but after having been
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the cornea‚ is an indication the body is not metabolizing copper properly. | ICD-10 | T56.4 | ICD-9 | 985.8 | MedlinePlus | 002496 | Copper toxicity refers to the consequences of an excess of copper in the body. Copper toxicity can occur from eating acid foods cooked in uncoated copper cookware‚ or from exposure to excess copper in drinking water or other environmental sources. Contents * 1 Toxicity * 2 Symptoms and presentation * 3 EPA cancer data * 4 Treatment * 5 Cookware *
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