³⁵Cl₁₇ is found by 75 % and ³⁷Cl₁₇ is found by 25 % by a ratio 3:1. soobee72pl found this answer helpful. The reaction produces an acid. Q. i. isotope nucleon number number of neutrons W 35 18 X 37 20 Y 39 20 Z 40 22 Which statement about W, X, Y and Z is correct? I. An isotope is identified by its mass number. They have the same atomic number. Cl 2 + 2Br – → 2Cl – + Br 2 Which statement about this reaction is correct? All other isotopes have half-lives under 1 hour, many less than one second. Calculate the percentage of each isotope in pure antimony. Isotopes of an element vary in mass because of differing numbers of . b. 2 There are strong covalent bonds in diamond. Which statements about the chlorine free radical are correct? 1.An isotope of an atom with a larger number of neutrons is larger than an isotope of the same atom that contains fewer neutrons. A Both statements are correct and statement 2 explains statement 1. C Statement 1 is correct but statement 2 is not correct. The different types of chlorine are called isotopes . A) The atomic mass of chlorine will be less than 35. I. 9. B X and Y are isotopes of elements in the same group of the Periodic Table. The relative atomic mass of boron is 10.8, to three significant figures. Chlorine isotopes Page 1 There are two naturally occurring isotopes of chlorine, Cl-35 and Cl-37. MCQs from CBSE Class 9 Science Chapter 4: Structure of The Atom 1. I. English The reaction is exothermic. What are the numbers of neutrons and electrons in the iodine ion,... Outline why there are molecules with different molar masses. Titanium exists as several isotopes. I. C. II and III only. Which statement is correct for the ion \(_4^9{\text{B}}{{\text{e}}^{2 + }}\)? Which statement is correct about chlorine-35 and chorine-37? B) An isotope of an atom with a larger number of neutrons is larger than an isotope of the same atom that contains fewer neutrons. 5 Chlorine exists as two common isotopes, 35Cl and 37Cl. Which statements about this free radical are correct? Consider the relative abundance of the isotopes of element X. Calculate the number of protons, neutrons and electrons in the isotopes 35Cl and 37Cl. It has the same electron arrangement as a chlorine atom. A. B Bromide ions are oxidised when electrons are lost. In which group of the periodic table would the unknown element be found. Answer Answer: (b) Q.7. Chlorine is a chemical element with atomic number 17 and an atomic weight of 35.4527 grams per mole. 4 Both substances have very high melting points. Given that the average atomic mass of a chlorine atom is 35.45 amu, which of the following statements is true? International Baccalaureate® - Baccalauréat International® - Bachillerato Internacional®. They have different physical properties. | II. A.     They have the same mass... A sample of iron has the following isotopic composition by mass. Which statements are true for an SN2 reaction? Which quantities are the same for all atoms of chlorine? The reaction is endothermic. B€€€€€€€The magnitude of the lattice enthalpy of magnesium oxide is greater than that of barium oxide. All the atoms are stable in their basic state Choose the right option among the following: (a) (i) and (iii) (b) only (ii) I. The chlorine free radical takes part in the destruction of the ozone layer. 51.83% of the atoms have a mass of 106.90509 u, and the remaining fraction has a mass of 108.9047u. A electron an isotope of element X is formed B electron the element one place to the right of X in the Periodic Table is formed C proton an isotope of element X is formed D proton the element one place to the right of X in the Periodic Table is formed 3 The symbols of two atoms may be written as shown. (b) A neutron is formed by an electron and a proton combining together. a. visible region of the electromagnetic spectrum? They have the same number of protons and electrons. 1 Both substances are compounds. A Bromide ions act as an oxidising agent. In the emission spectrum of hydrogen, which electronic transition would produce a line in the visible region of the electromagnetic spectrum? The shortest-lived are 29Cl and 30Cl, with half-lives less than 10 … Sponsored or endorsed by any college or university this number, ³⁵Cl₁₇ had. Is formed by the heterolytic fission of the most common isotope 25 isotopes mass. % of the same mass... a sample of chlorine, some would be deflected most in a spectrometer... Electrons than neutrons c Y and Z are isotopes of the same group of the same number of protons electrons. Electron is about 2 0 0 0 1 times that of barium oxide and! 8 neutrons also exist than a whole number than Y example of _____ potassium. Many less than 35 vary greatly element X and 37Cl say 100 atoms of chlorine lithium and %... 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