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1- Show that the atomic number of the atom of zirconium is 40. 2 - A zirconium atom is represented by one of following nuclides Choose with justifying the correct nuclide of the zirconium atom. 3 Calculate the mass of an atom of zirconium in Kg.

1- Show that the atomic number of the atom of zirconium is 40. 2 - A zirconium atom is represented by one of following nuclides Choose with justifying the correct nuclide of the zirconium atom. 3 Calculate the mass of an atom of zirconium in Kg.

General Chemistry - Standalone book (MindTap Course List)
General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Chapter2: Atoms, Molescules, And Ions
Section2.8: Naming Simple Compounds
Problem 2.6CC
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Exercise 5 The element Zirconium (Zr) the name zirconium comes from the German Zircon according to geologist Abraham Gottlieb Werner who gave him that name in 1789. It is relatively abundant in the Earth's crust. It is used in cutlery and jewellery (manufacturing of jewelry such as bracelets, necklaces...). The charge of the nucleus of an atom to zirconium is + 6, 4.10 c and contains 51 neutrons. Given: charge of a proton e = 1.6 × 10 Questions : -18 -19 -27 c , mass of (1 nucleon) = 1.67 × 10*' Kg. 1 - Show that the atomic number of the atom of zirconium is 40. 2 - A zirconium atom is represented by one of following nuclides : Zr, Zr; Zr: Choose with justifying the correct nuclide of the zirconium atom. 3 - Calculate the mass of an atom of zirconium in Kg. 4 - Give the molar mass of zirconium. 5 It is considered a pure Zirconium necklace of mass m = 3 g. 5.1 calculate the number of mole-atom of Zirconium in this necklace. 5.2 Deduce the number of Zirconium atoms in this necklace. 5.3 calculate the mass of a Zirconium plate that contains 0.5 mole- Atoms of Zirconium.
Transcribed Image Text:Exercise 5 The element Zirconium (Zr) the name zirconium comes from the German Zircon according to geologist Abraham Gottlieb Werner who gave him that name in 1789. It is relatively abundant in the Earth's crust. It is used in cutlery and jewellery (manufacturing of jewelry such as bracelets, necklaces...). The charge of the nucleus of an atom to zirconium is + 6, 4.10 c and contains 51 neutrons. Given: charge of a proton e = 1.6 × 10 Questions : -18 -19 -27 c , mass of (1 nucleon) = 1.67 × 10*' Kg. 1 - Show that the atomic number of the atom of zirconium is 40. 2 - A zirconium atom is represented by one of following nuclides : Zr, Zr; Zr: Choose with justifying the correct nuclide of the zirconium atom. 3 - Calculate the mass of an atom of zirconium in Kg. 4 - Give the molar mass of zirconium. 5 It is considered a pure Zirconium necklace of mass m = 3 g. 5.1 calculate the number of mole-atom of Zirconium in this necklace. 5.2 Deduce the number of Zirconium atoms in this necklace. 5.3 calculate the mass of a Zirconium plate that contains 0.5 mole- Atoms of Zirconium.
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