Isotopes are variants of a particular chemical element which differ in neutron number. .... place", was suggested to Soddy by Margaret Todd, a Scottish physician and family friend, during a conversation in which he explained his ideas to her.
The atoms of a chemical element can exist in different types. These are called isotopes. They have the same number of protons (and electrons), but different ...
Chem4Kids.com! This tutorial introduces the basics of isotopes. Other sections include matter, elements, the periodic table, reactions, and biochemistry.
Jul 2, 2015 ... Not all atoms of an element are identical - atoms of the same element can have different numbers of neutrons. These different versions of the ...
Kids learn about the science of isotopes in chemistry including naming isotopes, hydrogen, examples, fun facts, unstable, and stable.
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 ...
Jan 10, 2013 ... But you may not realise that each square on the periodic table actually represents a family of isotopes — atoms which share the same name ...
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 ...
A secondary school revision resource for AQA GCSE Additional Science about radiation, atoms and isotopes.