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Let's say an atom is missing a neutron or has an extra neutron. That type of atom is called an isotope. An atom is still the same element if it is missing an electron. The... More »

Isotope - Wikipedia


Isotopes are variants of a particular chemical element which differ in neutron number. All isotopes of a given element have the same number of protons in each ...

What is isotope? - Definition from WhatIs.com


An isotope is a form of a chemical element whose atomic nucleus contains a specific number of neutrons, in addition to the number of protons that uniquely ...

www.ask.com/youtube?q=What Is Isotopes?&v=EboWeWmh5Pg
Jan 7, 2012 ... To see all my Chemistry videos, check out http://socratic.org/chemistry We'll learn about what isotopes are and how to write atomic number and ...

What Are Isotopes? - Definition, Types & Examples - Video & Lesson ...


Jul 2, 2015 ... Not all atoms of an element are identical - atoms of the same element can have different number of neutrons. These different versions of the ...

Isotopes Definition and Examples - Chemistry - About.com


Feb 9, 2016 ... Isotopes are one form an element can take. This is the definition of an isotope, with examples.

Isotope | Define Isotope at Dictionary.com


Isotope definition, any of two or more forms of a chemical element, having the same number of protons in the nucleus, or the same atomic number, but having ...

isotope - Dictionary Definition : Vocabulary.com


An isotope of a chemical element is an atom that has a different number of neutrons (that is, a greater or lesser atomic mass) than the standard for that element.

What is an isotope? - Antoine


Experiments with mass spectrometry revealed that each of these element forms had its own distinctive mass. The element forms were called isotopes, from the ...

What is an Isotope ? : GCSE Chemistry - IvyRose Holistic


Isotopes are atoms of the same element that have the same atomic number ( whose symbol is "Z") but different mass numbers (whose symbol is "A").