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