Which of the following correctly describes the subatomic particles in the isotope, 44Ca? A. 20 protons, 22 electrons, 25 neutrons B. 20 protons, 24 electrons, 25 neutrons C. 20 protons, 24 electrons, 20 neutrons D. 20 protons, 20 electrons, 24 neutrons

Q: Choose the correct reagents to complete the following synthesis problem. To preview image click here…

A: We have to complete the given reactions with the correct reagents given in the options.

Q: Number 6

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Q: 6. Uranium hexafluoride is a solid at room temperature, but it boils at 56°C. Determine the density…

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Q: 1. Give the formulas of the ions (with charges) and the formul: Cation Anion Aluminum nitrate…

A: 1.Aluminum nitrate Cation- Al(3+)  Anion- NO3- Formula of compund- Al(NO3)3

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A: Hi, since you have posted multiple questions, we will answer the very first question for you. Kindly…

Q: Part 2 CI AICI.

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Q: 7. At 25°C, an aqueous solution of AlBr3 will have: (a) pH >7 (b) pH = 7 %3D (c) pH < 7

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Q: acid base K. K, name formula name formula ethylamine C2H5NH, 6.4× 10 hydrofluoric acid HF 6.8 × 10¬4…

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Q: Multiple Choice II IV II

A: From the data the  highest Boiling point of the  given molecule need to be write.

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Q: 11thank u

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Q: 1. Any chemical equation has 5 main parts: The Reactants, Yield Sign, Products, Subscripts, and…

A: A reaction has main 5 parts. Reactants, products, yield sign, subscripts, coefficients

Q: Part G

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Q: QUESTION 11 The tail of the curved arrow must start at electron density and the head must end at O…

A: If you are mentioned number 11. So that I am answered that one question only.

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Q: The correct formula for a compound formed from the elements Al and O is O Al302 . AIO. O Al203 . O…

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Q: 11) Show how the following product can be made from benzene. AlCl3 1 2) / 3) 2₂ (H₂), heat, HCI

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Q: Assume that the reaction below is at equilibrium. A stress is then applied as described. Click on…

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Q: 6. What is the frequency of a light source that has a wavelength of 620 nm? What is the energy this…

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Q: Question 44 What is the reagent responsible for this transformation? HO A. HCI B. Cl₂, FeCl3 C.…

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Q: Question 2 Is hydrogen a metal or a nonmetal? How many valence electrons does a hydrogen atom have?…

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Q: The element X has three naturally occurring isotopes. The masses (amu) and % abundances of the…

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Q: D Question 2 Which of the following is a strong acid? a. HNO₂ b. HCIO2 C. HBrO d. HCIO3 e. H₂SO3 O a…

A: Given acids: HNO2 HClO2 HBrO HClO3 H2SO3 We have to find a strong acid among them.

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Q: 1. The structures of six organic compounds are shown below. H EH H2N (b) (c) NH2 NH2 H2N OH (d) (e)…

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Q: Calculate the concentration of Ag*, if the sparingly soluble salt Ag2CO3 is added to a 0.40 M N22CO3…

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Q: 9. How many grams of a gas can occupy a cylinder with a diameter of 1.5 dm and a height of 8.00 in…

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Q: 1₁ -2.02 -loy (2.012) = 2 + x y 2012 2012 201 CH LPH-0.304 6. Sodium azide, NaN3, is sometimes added…

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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.