Calculate the charge of an ion that contains 32 protons, 32 neutrons, and 30 electrons. OA. -2 B. 0 C. +1 +2 O D.

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Q: 32. Americium­241 is used in household smoke detectors. This element has 11 known isotopes, none of…

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Q: 8 Naturally occurring chlorine consists of the two isotopes: 35Cl and 37Cl. The atomic mass for…

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Q: Isotope name Oxygen-18 Sodium-24 protons 8. 35 55.5 3207 S to 29 neutrons 46 electrons 35 29 26 Fe…

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Q: 15. A chemist has 2.50 grams of magnesium. How many particles of magnesium does the chemist have?…

A: let us try to understand the mole concept.

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Q: Write isotopic symbols in the form 2X for each isotope. a. the copper isotope with 34 neutrons b.…

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Q: a. Using the average atomic mass of carbon, calculate the mass (in amu) of 137 carbon atoms. amu b.…

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Q: 6. Write the name of the isotope and the number of neutrons in a. Z=92 A=237 b. Z=86 A=222

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Q: a. Using the average atomic mass of carbon, calculate the mass (in amu) of 138 carbon atoms. amu b.…

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Q: 3. A. B. C. A chlorine atom has 18 neutrons and an atomic mass of 35. How many protons are in the…

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Q: The element Mg Ca Cs Ba Be is the most similar to sodium in chemical and physical properties.

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Q: The protons and neutrons of three carbon isotopes are shown. Carbon-12 Carbon-13 Carbon-14 Which…

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Q: a. Using the average atomic mass of carbon, calculate the mass (in amu) of 137 carbon atoms. amu b.…

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Q: What is the charge of the underlined atoms below? a. NO2 b. FeCl3 c. K2SO4 d. ClO3-

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Q: 20. How many protons, electrons, and neutrons are in each isotope? electrons, and neutrons. protons;…

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Q: Verdana 16 B IUA CO O E E 5 LLI4 I 3IC 2. A Think About It Each of the atomic models shown…

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Q: a. Using the average atomic mass of carbon, calculate the mass (in amu) of 165 carbon atoms. amu b.…

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Q: . A solution in prepared by dissolving 14.36 g of CaCl₂ in 727 mL of water. The total mass of the…

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Q: Calculate the mass and charge of 1. nucleus of atomic N 2. singly ionized Na2+

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Q: 5. Copper exists as a mixture of two isotopes. Copper-63 is 69.17% abundant and it has mass of…

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Q: b. An atom that has a mass number of 39 and contains 19 protons. Potassium C. An atom with mass…

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Q: Which of the following statements is TRUE? An atonmic 24

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Q: 4. A. B. C. D. Nitrogen atoms have 7 protons. How many electrons are in an ion with a charge of…

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Q: . An element contains Z = 8 and A = 17. What is its mass number? 2. If an atom contains 8 protons,…

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Q: 1. Nuclear Symbol Protons Neutrons Electrons 107 47A 109 47Ag

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Q: Give the complete symbol (X), including atomic number and mass number, of a. a manganese atom with…

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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.