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