what is a isotope
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isotope An isotope is a form of a chemical element whose atomic nucleus contains a specific number of neutron s, in addition to the number of proton s that uniquely defines the element.The nuclei of most atom s contain neutrons as well as protons.n atom of carbon-14 contains 6 protons and 8 neutrons and is denoted 14 C. Over time, 14 C decays into 12 C. Sometimes the isotope of an element is denoted by writing the nucleon number after the chemical symbol, and not as a superscript.
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What are the differences between ions and isotopes? The number of protons within the atom's nucleus is called atomic number and is equal to the number of electrons in the neutral (non-ionized) atom. Each atomic number identifies a specific element, but not the isotope; an atom of a given element may have a wide range in its number of neutrons. The number of nucleons (both protons and neutrons) in the nucleus is the atom's mass number, and each isotope of a given element has a different mass number.
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Chemistry for Kids Isotopes are identified by their mass, which is the total number of protons and neutrons. There are two ways that isotopes are generally written. They both use the mass of the atom where mass = (number of protons) + (number of neutrons). Hydrogen is the only element where the isotopes are given specific names.
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- 0 Answers/Comments. Isotopes: are atoms of different elements which have the same mass of a given element have equal numbers of neutrons of a given element have different numbers of neutrons of a given element have equal numbers of protons and neutrons are atoms that have gained or lost electrons.
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How do isotopes and atoms differ? What if there are more neutrons than the generalized ones? They are called isotopes. For example, a hydrogen atom has one proton and one electron (no neutrons). One isotope of hydrogen called deutorium has one proton , one electron and one neutron. Another isotope of hydrogen called tritium has one proton, two neutrons and one electron. Tritium is radioactive.
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isotope n. One of two or more atoms having the same atomic number but different mass numbers. [ iso- + Greek. , place (so called because the isotopes of a chemical element occupy the same position in the periodic table of elements) .]. i′so·top′ic (-tŏp′ĭk) adj. i′so·top′i·cal·ly adv.
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Elements, Isotopes, and Radioactivity Each combination of an element with a different number of neutrons is called an isotope. Isotopes that are radioactive disintegrate or decay in a predictable way and at a specific rate to make other isotopes.The radioactive isotope is called the parent, and the isotope formed by the decay is called the daughter.ach combination of an element with a different number of neutrons is called an isotope. Isotopes that are radioactive disintegrate or decay in a predictable way and at a specific rate to make other isotopes.
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- change their overall atomic mass. An atom with the same atomic number but a different atomic mass is called an isotope. One of the most common ways to identify an isotope is to write the symbol then the mass; Carbon -14 Neon – 21 Oxygen -16 The atomic mass on the periodic table is a weighted average of all
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How do I tie off after sewing? Best Answer: 1) A line of machine stitching that's crossed by another seam does not need to be tied, though you certainly can. For instance, if you've sewn the side seam of shorts, the side seam at the top will be crossed by a line of stitching for the waistband, so that does not need to be tied off.
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- Stable Isotope Principles. An isotope is an atom whose nuclei contain the same number of protons but a different number of neutrons. Isotopes are broken into two specific types: stable and unstable. These unstable isotopes are commonly referred to as radioactive isotopes.
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How do isotopes and atoms differ? Isotopes are atoms of same kind (protons/electrons) but different number of neutrons, then different mass, they might be natural or manmade (deuterium and tritium are examples for both conditions for hydrogen), when they are natural the periodic chart shows a rational mass number where the fractional part gives a proportion of natural occurrence of isotopes with higher nucleons than integer part shows, telling the average atom mass.
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Chemistry Ch.4 An isotope has an atomic number 51 and a mass number 124 (# of protons, electrons, and neutrons for each isotope) 51 protons, 51 electrons, 72 neutrons 2 isotopes with the atomic number 19
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What are the differences between ions and isotopes? Isotopes are variants of a particular chemical element which differ in neutron number, although all isotopes of a given element have the same number of protons in each atom.
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MADMAN BIOLOGY In this example the atomic number is 17 and the mass number is 35. This means that each of these atoms has: 17 protons 17 electrons 35 - 17 = 18 neutrons Isotopes are atoms of an element with the normal number of protons and electrons, but different numbers of neutrons. Isotopes have the same atomic number, but different mass numbers. Isotopes can either be radioactive or non-radioactive. For example, 14 C is used in radiocarbon dating to determine the age of historical objects and 99 Tc is used in medical imaging.
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What Are Isotopes? - Definition, Types & Examples Not all atoms of an element are identical - atoms of the same element can have different number of neutrons. These different versions of the same element are called isotopes. In this lesson, we will discuss the examples and types of isotopes. MCAT Test: Practice and Study Guide / Standardized Tests Courses.
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In simple words, what are Isotopes? Best Answer: Isotopes have the same number of protons and electrons, thus they have the same atomic number and the same chemical reactions. But they have different numbers of neutrons giving them different atomic masses. Some isotopes are heavier or lighter than others. That is the only difference between them. Some are stable (not radioactive) and some will break down through radioactive decay.
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What are Isotopes? Isotopes are versions of an atom or an element that have the same number of protons, but different numbers of neutrons. Isotopes and isotope notation are particularly important in nuclear chemistry.
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isotope For any element, one of the isotopes is more abundant in nature than any of the others, although often multiple isotopes of a single element are mixed. The isotope of an element is defined by the nucleon number, which is the sum of the number of protons and the number of neutrons in the atomic nucleus.n atom of carbon-14 contains 6 protons and 8 neutrons and is denoted 14 C. Over time, 14 C decays into 12 C. Sometimes the isotope of an element is denoted by writing the nucleon number after the chemical symbol, and not as a superscript.
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isotope Isotope. One member of a (chemical-element) family of atomic species which has two or more nuclides with the same number of protons (Z) but a different number of neutrons (N). Because the atomic mass is determined by the sum of the number of protons and neutrons contained in the nucleus, isotopes differ in mass.ī`sətōp) , in chemistry and physics, one of two or more atoms having the same atomic number but differing in atomic weight atomic weight,mean (weighted average) of the masses of all the naturally occurring isotopes of a chemical element, as contrasted with atomic mass, which is the mass of any individual isotope.
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Atoms, Isotopes, Ions, and Molecules Isotopes are atoms that share the number of protons (which effectively means same number of electrons when neutral) but differ in the number of neutrons (thus the atomic mass).he sum of the protons and neutr … ons is the mass number. For example, helium exists as 3He(2 protons and one neutron) or as 4He (2 protons and 2 neutrons). The two forms of helium are called isotopes of helium. Isotopes of an element have the same chemical properties but different weights.
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Atoms, Isotopes, Ions, and Molecules The nucleus is surrounded by electrons. The half-life of a radioactive isotope is the time taken for half its radioactive atoms to decay. There are three main types of radiation, called alpha, beta and gamma radiation, which all have different properties.Radiation can damage cells and make them cancerous.ll the atoms of a given element have the same number of protons and electrons. However, the number of neutrons can vary. Atoms of the same element that have different numbers of neutrons are called isotopes of that element.
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Elements Atoms of the same element that differ in their atomic weight are called isotopes. Atomic weights are expressed in terms of a standard atom: the isotope of carbon that has 6 protons and 6 neutrons in its nucleus. This atom is designated carbon-12 or 12C.s long as the atom had 6 protons, it is an atom of carbon irrespective of the number of neutrons. Thus while 6 protons and 8 neutrons produce an isotope of carbon, 14 C, 7 protons and 7 neutrons produce a totally-different element, nitrogen-14.
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Nuclear fission • The mass number of a chemical element is defined. by the number of protons plus neutrons in the. nucleus. Variants of a given element with differing. numbers of neutrons are called isotopes. Pu-238. is a variant (or isotope) of plutonium with an atomic. weight of 238 (94 protons plus 144 neutrons); it was. the first isotope of plutonium that was discovered.
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Atomic mass The atomic mass of an atom is usually within 0.1 u of the mass number. The number of protons an atom has defines what element it is. However, most elements in nature consist of atoms with different numbers of neutrons. An atom of an element with a certain number of neutrons is called an isotope.
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- Radioisotopes, (also known as radioactive isotopes or radionuclides), are atoms with a different number of neutrons than a usual atom. Due to this imbalance, these isotopes have an unstable nucleus that decays, and in the process emitting alpha, beta and gamma rays until the isotope reaches stability.adioisotopes, (also known as radioactive isotopes or radionuclides), are atoms with a different number of neutrons than a usual atom. Due to this imbalance, these isotopes have an unstable nucleus that decays, and in the process emitting alpha, beta and gamma rays until the isotope reaches stability.
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What are the differences between ions and isotopes? The number of protons within the atom's nucleus is called atomic number and is equal to the number of electrons in the neutral (non-ionized) atom. Each atomic number identifies a specific element, but not the isotope; an atom of a given element may have a wide range in its number of neutrons.