In the following table, be sure to enter a number in each box, even if that number is zero (0). T Case H₂ 0 -1 I 160+1 O 8 8 8 17-0 98 35 -2 23 Mg₁1 12 11 +2 1 Ar 18 17 9 # of protons 12 # of neutrons 0 8 8 11 # of electrons in first shell 2 2 2 2 # of electrons in second shell 0 5 7 8 # of electrons in third shell 0 0 0 4

Q: Describe and explain (i) how the thermal stabilities of the Group 17 hydrides vary down the Group,…

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Q: 6) Identify A, B and C in the following synthesis. H H H₂C- H A -CH3 OH 85% H3PO4 80 C B Br. H 09x…

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Q: A buffer solution made from nitrous acid and sodium nitrite was titrated with sodium hydroxide.…

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Q: Q19 Assume 8 particles are independently moving in a 1D box. Given the occupation numbers: n-3, ₂-2,…

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Q: How many mL of a 1.48 M calcium hydroxide solution are needed to neutralize 36.0 mL of a 1.63 M…

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Q: Concentration H₂O CoCl² Co(H,O)% CI™ Time

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Q: Give the IUPAC name of the 1,4-addition product of the reaction between 2-methylpenta-1,3-diene with…

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Q: Determine the type of organic reaction present in the following: HO OH NO₂ CI + NaOCH3 + H₂O + H₂O…

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A: Given ; % of 69Ga = 60.11              % of 71Ga = 39.89

Q: Suggest a synthetic strategy for the synthesis of 6-methyl-3-heptanol from 4-methylpentanenitrile,…

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Q: rate laws for certain enzyme-activated reactions in your body have a specific rate constant k, with…

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Q: How did the change of stress (adding or removing reactants or products) cause a shift in the…

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Q: 2-methyl-2-hexanol was prepared by reacting an alkene with either hydroboration- oxidation or…

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Q: 5. A water supply company, One Team, found out that their water supply had been contaminated with a…

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Q: CI + HN

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Q: write a mechaniSHI 181 CH₂=CH- Los -CH3 + CH3–CH2–CH,—CH 120 OH A -0 d CH₂CH3

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Q: An aqueous solution is 0.467 M in HCl. What is the molality of the solution if the density is 1.23…

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Q: What is the IUPAC name for the following molecule? سمك OH 2-ethylpentanoic acid 2-Hexanoicacid…

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A: Number of protons, neutrons and electrons in the following isotopes  a) 21H  b) 147N

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Q: Identify the compound with a hemiacetal functional group. A) I B) II C) III D) IV HO = Question 24…

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Q: e) f) ОН OH див F ж OH

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Q: Reagent 4 Reagent 5

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Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.