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
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 ...
Experiments with mass spectrometry revealed that each of these element forms
had its own distinctive mass. The element forms were called isotopes, from the ...
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 ...
Feb 9, 2016 ... Isotopes are one form an element can take. This is the definition of an isotope,
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").
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 ...
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
Elements are defined by the number of protons in an atom's nucleus. For
example, an atom with 6 protons must be carbon, and an atom with 92 protons
must be ...