b. Isotopes of the same element usually have the same properties. Questions : 1. D) The melting point and boiling point of different isotopes of the same element will vary greatly. B They must have the same number of neutrons in their nuclei. They have the same mass number. How many protons, neutrons and electrons are present in each atom of 31 P? Isotope Mass number % Abundance A 144 24 B 145 9 Which statement is correct? They have a different atomic number. All isotopes of an element have the same number of protons. Show 70 related questions. A. As, these species have same atomic number. The elements with atomic numbers 8, 16 and 34 have the same number of main energy levels. Isotopes occupy the same place on the periodic table even though the isotopes of an element have different atomic weights. C. They have the same chemical properties. B Isotope B has more protons than isotope A. How many protons, neutrons and electrons are present in each atom of 31 P? (Total 1 mark) 87. Carbon has three naturally occurring isotopes . they have different locations on the periodic table. The melting point and boiling point of different isotopes of the same element will vary greatly. When radioisotopes undergo radioactive decay, the initial isotope may be different from the resulting isotope. Answer D. is correct. Isotopes of a given element have the same number of protons but different numbers of neutrons in each atom.They are variants of a particular chemical element which differ in neutron number, and consequently in nucleon number. C. They have the same chemical properties. C. They have the same chemical properties. Select the correct statement about isotopes. For example, carbon-12 is an isotope of carbon with a mass number of 12. C. Isotopes have the same nucleon number. Choose the correct option from the following: (a) Only (iii) (b) Both (i) & (iii) (c) Only (i) (d) Both (ii) & (iv) Answer Answer: (b) Q.6. C. The elements with atomic numbers 20, 21 and 22 are in the same group. They have a different atomic number. They have the same number of protons and electrons, but a different number of neutrons. answer choices . Iron has an atomic number of 26. The elements with atomic numbers 8, 9 and 10 have similar chemical properties. 3 Which statement about an element's average atomic mass is correct? When they are not ionic, they have the same number of electrons. All elements have more than one natural isotope ==> b. : a. Isotopes of the same element differ only in the number of electrons they contain. a. They have the same mass number B. Tags: Question 3 . B. D. They are located in different places in the periodic table. Electrons are contained in the nucleus of an atom. Yes correct. They have the same mass number. Which of the following statements about the isotopes of an element is NOT correct? Which statement about the periodic table is correct? Which of the following correctly lists the particles, in order, from least massive to most massive? Answer Answer: (b) Q.7. sulfur-34. A The relative atomic mass of the element is 47.61. A. Isotopes have the same proton number. For example, the only stable isotope of sodium is ""^23"Na", which has 11 protons and 12 neutrons, making a total mass number 23. law of definite proportions. The elements with atomic numbers 8, 9 and 10 have similar chemical properties. Answer/ Explanation (b) Isotopes are the atoms of different elements. C [N/A] Markscheme Examiners report Markscheme Examiners report Ultraviolet radiation has a shorter wavelength than infrared radiation. c. Isotopes of the same element have the same atomic number but differ in their atomic masses. Every chemical element has one or more isotopes. All the isotopes of an element have the same number of neutrons. They have the same mass... 10N.2.sl.TZ0.3b: A sample of iron has the following isotopic composition by mass. 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