B. 4 4 B. Which statement about the isotopes of an element is correct? Thats because each isotope of an element contains different numbers of neutrons. For example, the only stable isotope of sodium is ""^23"Na", which has 11 protons and 12 neutrons, making a total mass number 23. : a. Isotopes of the same element differ only in the number of electrons they contain. Electrons are contained in the nucleus of an atom. d. All the isotopes of an element are radioactive. The elements with atomic numbers 8, 16 and 34 have the same number of main energy levels. Which statement about W, X, Y and Z is correct? The longest lived unstable isotope of sodium is ""^22"Na", with 11 protons, 11 neutrons and a half life of 2.6 years. Explanation: Isotopes are defined as the species which have same atomic number.They are defined as the substances which have same number of protons but have different number of neutrons. C. Isotopes have the same nucleon number. Information about these two isotopes is shown. Isotope Mass number % Abundance A 144 24 B 145 9 Which statement is correct? D. They are located in different places in the periodic table. They have the same electron arrangement C. Which statement about an element’s average atomic mass is correct? Is this statement correct? Answer all the questions. Which of the following statements about the isotopes of an element is NOT correct? d. 13-carbon isotope is radioactive . have a greater effect than uncommon ones. a. C. They have the same chemical properties. The isotopes of an element have the same number of protons, but different numbers of neutrons. View Answer. A. Core » Topic 2: Atomic structure » 2.1 The nuclear atom. 15M.1.sl.TZ1.5: Which statement about the isotopes of nitrogen is correct? Which of the following does not match the characteristics of an Isotope? They have the same mass number. C Y and Z are isotopes of elements in the same period of the Periodic Table. How many protons, neutrons and electrons are present in each atom of 31 P? B. answer choices . 7 The table shows the nucleon number and the number of neutrons in one atom of isotopes W, X, Y and Z. c. Isotopes of the same element have the same atomic number but differ in their atomic masses. You should put the letter of the correct answer in the box provided. View Answer . All elements have more than one natural isotope ==> b. Isotopes occupy the same place on the periodic table even though the isotopes of an element have different atomic weights. c. It is a weighted average, so common isotopes have a greater effect than uncommon ones. Select the correct statement about isotopes. (a) Isotopes of some elements are radioactive (b) Isotopes are the atoms of different elements (c) Isotopes differ in number of neutrons (d) Isotopes have similar chemical properties. B They must have the same number of neutrons in their nuclei. Every chemical element has one or more isotopes. They have the same mass number. They have a different atomic number. Which statement about the isotopes of an element is correct? b. Isotopes of the same element usually have the same properties. The melting point and boiling point of different isotopes of the same element will vary greatly. Which of the following correctly lists the particles, in order, from least massive to most massive? C) Isotopes of an element have similar chemical properties. Which is correct about the element tin (Sn) (Z = 50)? 8. C They must have the same number of nucleons in their nuclei. B. Select all of the following statements about isotopes that are TRUE? Which statement about the periodic table is correct? Carbon has three naturally occurring isotopes . Which statement is correct about chlorine-35 and chorine-37? The correct answer is C . Which of the following statement is Not consistent with the results obtained in Rutherford's gold foil experiment? It is determined by counting the number of b. Because isotopes have the same number and therfore arrangements of electrons , isotopes of an element … Markscheme. 3 Which statement about an element's average atomic mass is correct? Which statement is correct about the isotopes of an element? C)IT IS BASED ON AN ISOTOPES CHARGE, SO NEGATIVELY CHARGED ISOTOPES HAVE A GREATER EFFECT THAN … All the isotopes of an element have the same number of neutrons. c. As isotope of an atom with a larger number of neutrons is physically larger than an atom that contains fewer neutrons. They have a different atomic number. (1) D. They are located in different places in the periodic table. They have a different atomic number. Both have 7 outer shell electrons. C. They have the same chemical properties. C. The elements with atomic numbers 20, 21 and 22 are in the same group. law of definite proportions. What property of an element determines its chemical behaviour? The elements with atomic numbers 8, 9 and 10 have similar chemical properties. D) The melting point and boiling point of different isotopes of the same element will vary greatly. C [N/A] Markscheme Examiners report Markscheme Examiners report Ultraviolet radiation has a shorter wavelength than infrared radiation. Choose one answer. They have the same mass number. 1^H, 2^H, and 3^H are all isotopes of hydrogen. Questions : 1. C. Examiners report [N/A] Syllabus sections. It is equal to one-twelfth the mass of the most common isotope. State whether the given statement is true or false : Elements with an odd number of protons usually have only one or two stable isotopes. They have the same mass... 10N.2.sl.TZ0.3b: A sample of iron has the following isotopic composition by mass. (a) an atom can have only protons and neutrons but no electrons. When they are not ionic, they have the same number of electrons. Identify the chalcogen that has 18 neutrons in the nucleus. 7. An isotope is named after the element and the mass number of its atoms. B. Correct answers: 2 question: Which statement is true about two isotopes of the same element? B) 1H, 2H, and 3H are all isotopes of hydrogen. Answer: The correct statement is isotopes of a given element have very similar chemical properties. B. A W and X are isotopes of the same element. Select the correct statement about isotopes. An atom is first identified and labeled according to the number of protons in its nucleus. they have different locations on the periodic table. Question. B)IT IS DETERMINED BY COUNTING THE NUMBER OF ISOTOPES IN A SAMPLE OF THE ELEMENT. Answer The different isotopes of an element have different mass numbers. As, these species have same atomic number. D They must have the same number of protons in their nuclei. (Total 1 mark) 19. D. Atoms of the isotopes of the element have the … D. They are located in different places in the periodic table. A. For example, carbon-12 is an isotope of carbon with a mass number of 12. A) The isotopes of an element have the same number of protons, but different numbers of neutrons. Question 2. (a) Size of an element (b) Valency of an element (c) Molar mass of the element (d) None of these. This question has multiple correct options. How this is made, if you're familiar with the structure of an atom, is that when the protons and neutrons group together, although a single element has a set number of protons, the number of neutrons is flexible. they have different numbers of neutrons. Both have the same number of electron shells. 120 seconds . A. The chemical properties of an element are determined by its electronic structure. All isotopes of an element have the same number of protons. Show 70 related questions. (1 point) they have the same mass number. Isotope, one of two or more species of atoms of a chemical element with the same atomic number and position in the periodic table and nearly identical chemical behaviour but with different atomic masses and physical properties. It is determined by counting the number of isotopes in a sample of the element. D. They are located in different places in the periodic table. C. The elements with atomic numbers 20, 21 and 22 are in the same group. Neutrons have no charge. 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. 7. sulfur-34. which statement about an element's average atomic mass is correct? Which statement about the isotopes of an element is correct? Different isotopes of an element have the same number of protons, but different numbers of neutrons. 37 Cl has 2 more neutrons than 35 Cl. Which of the following statement is correct about the atom of an element? Iron has an atomic number of 26. 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. The fact that LiBr is 7.99 % lithium and 92.01 % bromine by mass regardless of its origin is an example of _____. Electron, proton, hydrogen atom, helium atom. c. The most abundant carbon isotope is 13-carbon . A) All the isotopes of an element are radioactive. C. They have the same chemical properties. SURVEY . Answer D. is correct. B. Which statement is CORRECT about isotopes?----a. Which statement about these isotopes is correct? a. How many protons, neutrons and electrons are present in each atom of 31 P? They have the same mass number. Which of the following statements about isotopes is incorrect? View Answer. The elements with atomic numbers 8, 9 and 10 have similar chemical properties. they have different numbers of protons. For example, isotopes of hydrogen are , , and . C. They have the same chemical properties. They have a different atomic number. Answer/ Explanation (b) Isotopes are the atoms of different elements. ... 10N.1.sl.TZ0.7: Which statement about the isotopes of an element is correct? A They must have different numbers of electrons orbiting their nuclei. A. Isotopes have the same proton number. They have the same mass number B. b. Both have the same number of protons. Tags: Question 3 . A certain element has several isotopes. The elements with atomic numbers 8, 16 and 34 have the same number of main energy levels. B Isotope B has more protons than isotope A. A. Isotopes of only heavier elements are radioactive in nature as they have large difference in the number of protons and neutrons. a. Isotopes occur only in the heavier elements. Q. Answer Answer: (b) Q.7. (Total 1 mark) 87. common isotope. b. Which statement about the isotopes of an element is correct? Number of main energy levels containing electrons Number of electrons in highest main energy level A. B) Isotopes of the same element have the same atomic number but differ in their mass numbers. Which statement explains why the two isotopes are of the same element? 4 14 C. 5 4 D. 5 14 (Total 1 mark) 29. B. Which statement is inconsistent with the concept of isotopes of the same element? A. Which statement about the isotopes of an element is correct? They have the same mass number. D. They are located in different places in the periodic table. A The relative atomic mass of the element is 47.61. Isotopes are different forms of a single element. Yes correct. A. B X and Y are isotopes of elements in the same group of the Periodic Table. It is equal to one-twelfth the mass of the most c. It is a weighted average, so common isotopes d. It is based on an isotope's charge, so negatively isotopes in a sample of the element. 1 Information about two isotopes of an element is given in the table. 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