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