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