What are a pair of isotopes?
All isotopes of a given element have the same number of protons but different numbers of neutrons in each atom. … From the above notation to be the pair of isotope Z should be similar. Only A and B have pairs of isotopes and one the other hand C and D have different atomic number.
Which pair are isotopes quizlet?
in order for a pair of atoms to be isotopes, they must be the same element. In order for them to be the same element, they must have the same number of protons. If they have the same number of protons, they have the same atomic number.
Which of the following options correctly represents a pair of isotopes?
The correct answer is Both I and II. Isotopes: The atoms of an element having the same atomic number but a different mass number are called isotopes. Example: of Isotopes are C – 12 and C – 14 (Both having same atomic number 6 but different mass numbers of 12 and 14.
What represents a isotope?
To write the symbol for an isotope, place the atomic number as a subscript and the mass number (protons plus neutrons) as a superscript to the left of the atomic symbol.
What are 3 examples of isotopes?
Examples of radioactive isotopes include carbon-14, tritium (hydrogen-3), chlorine-36, uranium-235, and uranium-238. Some isotopes are known to have extremely long half-lives (in the order of hundreds of millions of years). Such isotopes are commonly referred to as stable nuclides or stable isotopes.
What are isotopes examples?
Isotopes: the atoms of the same element which have the same atomic number Z but differ in their mass number A are called isotopes. Example: Hydrogen has three isotopes ( 1 1 H , A 1 1 A 2 1 2 1 H , A 1 3 A 2 1 2 3 H ) , Protium, Deuterium, Tritium.
Is o2 and o3 a pair of isotopes?
Option A) oxygen and ozone are not isotopes of each other since in oxygen there are two atoms of oxygen while in ozone there are three atoms of oxygen. While isotopes are the one having the same atomic number but different mass number in this case both are different.
Is lithium an isotope?
Lithium has two stable isotopes Li-6 and Li-7, the latter being 92.5% in nature (hence relative atomic mass of natural lithium of 6.94).
Which pairs are not isotopes?
Isotopes are species of same elements having different mass number (proton+neutron) number, they have the same atomic number or proton numbers but differ in numbers of neutrons. Therefore, the entities (iii)146 X, 147 Y and (iv)84X, 85Y are not at all isotopes as they have atomic numbers 6 and 7, 4 and 5 respectively.
Which of the following pairs is correctly matched isotopes?
The correctly matched pair is: Isotones ₁₄Si³⁰, ₁₅P³¹, ₁₆S³²
What are 2 examples of isotopes?
Examples of radioactive isotopes include carbon-14, tritium (hydrogen-3), chlorine-36, uranium-235, and uranium-238. Some isotopes are known to have extremely long half-lives (in the order of hundreds of millions of years). Such isotopes are commonly referred to as stable nuclides or stable isotopes.
How do you find a pair of isotopes?
3:1312:42What are Isotopes? – YouTubeYouTube
What are isotopes give 2 examples?
Examples of radioactive isotopes include carbon-14, tritium (hydrogen-3), chlorine-36, uranium-235, and uranium-238. Some isotopes are known to have extremely long half-lives (in the order of hundreds of millions of years). Such isotopes are commonly referred to as stable nuclides or stable isotopes.
How do you find A pair of isotopes?
3:1312:42What are Isotopes? – YouTubeYouTube
What element has 4 isotopes?
Iron Iron, atomic number 26, has four naturally occurring isotopes.
Is 12C and 13C a pair of isotopes?
Carbon has two isotopes: 12C and 13C. Both show the same chemical features because of the same atomic number. But the mass of 13C is larger than that of 12C, because 13C has one more neutron.
Which of the following pairs are isotopes A oxygen and ozone B ice and steam C nitric oxide and nitrogen dioxide d hydrogen and deuterium?
Option D) this option is correct as hydrogen and deuterium are isotopes of each other since they have the same atomic number but different mass number.
Is beryllium an isotope?
Beryllium has but a single isotope, beryllium-9 which is not radioactive but beryllium-10, which cosmic rays produce in the upper atmosphere, is radioactive with a half-life of 1.5 million years.
Is sodium an isotope?
Sodium has one naturally occurring isotope. The nucleus of this isotope contains 11 protons and 12 neutrons and is not radioactive. There are 18 other known isotopes of sodium.
Which there are not isotopes?
Atoms with identical atomic number but different mass number are known as isotopes. In option C, the atoms have different atomic and mass numbers, so they are not isotopes. In option D, the atoms have different atomic numbers but same mass numbers, so they are also not isotopes.
What is not an isotope of hydrogen?
Platinum is not an isotope of hydrogen. There are three isotopes of hydrogen atom namely protium, deuterium and tritium. Was this answer helpful?
Which of the following pairs represented Isotones?
613C and 714N have an identical number of neutrons i.e. 7, so they are isotones.
Which of the following pairs is correctly matched in India?
Radcliffe Line : India and Pakistan is correctly matched. The Radcliffe Line was the boundary demarcation line between the Indian and Pakistani portions of the Punjab and Bengal provinces of British India.
What are 3 isotopes?
(The word isotope refers to a nucleus with the same Z but different A). There are three isotopes of the element hydrogen: hydrogen, deuterium, and tritium. How do we distinguish between them? They each have one single proton (Z = 1), but differ in the number of their neutrons.
Which of the following is an example of isotopes?
Isotope Examples Carbon 12 and Carbon 14 are both isotopes of carbon, one with 6 neutrons and one with 8 neutrons (both with 6 protons). Carbon-12 is a stable isotope, while carbon-14 is a radioactive isotope (radioisotope). Uranium-235 and uranium-238 occur naturally in the Earth's crust.
What are 5 examples of isotopes?
Examples of radioactive isotopes include carbon-14, tritium (hydrogen-3), chlorine-36, uranium-235, and uranium-238. Some isotopes are known to have extremely long half-lives (in the order of hundreds of millions of years). Such isotopes are commonly referred to as stable nuclides or stable isotopes.
Which of the following are isotopes?
Isotopes are elements with same atomic number but different mass number. Hydrogen and Deuterium are isotopes with same atomic number but different mass number. Hydrogen have atomic number 1 and mass number 1 where as deuterium have atomic number 1 but mass number 2.
Why is 12C an isotope?
Isotopes are forms of the same element with equal numbers of protons but different numbers of neutrons. For example, both carbon-12 and carbon-14 have 6 protons. But carbon-12 has 6 neutrons while carbon-14 has 8 neutrons. By definition, carbon-12, carbon-13 and carbon-14 are all isotopes of the carbon.
Why can 12C and 13C be described as isotopes?
An isotope is a group whose constituents belong to the same chemical element but have different mass numbers. Carbon has two isotopes: 12C and 13C. Both show the same chemical features because of the same atomic number.
Which of the following pairs are isotopes I 209 84x 210 84x II 232 90z 231 91z?
Answer. Explanation: ^209 X 84 and ^210 X 84 are isotopes because isotopes are the atoms of the same element which have different mass number but same atomic number.