An element is an isotope made of the number of neutrons it has. A compound is a substance made of two or more different elements (a mixture). 2.Whatis the periodic table? A periodic table is where the chemical elements are organized based on their atomic number (number of pro...
If asked "What is an isotope ?" in GCSE Chemistry, a more detailed answer is required using one of the definitions below: Definitions of an isotope: Isotopesare atoms of thesameelementthat have thesamenumber of protons butdifferentnumbers of neutrons. ...
Technetium-99m is an isotope used in nuclear medicine imaging. 8 Isomers Geometric isomers have different spatial orientations. Cis-trans isomers of 2-butene exhibit different physical properties. 7 Isotopes Variants of an element with differing neutron counts. Hydrogen has three isotopes: protium, ...
isotope 1 has a mass of 120.9038 amu and a relative abundance of 57.4 %, and isotope 2 has a mass of 122.9042 amu. What is the atomic mass? 1) An element with : 44 atomic number 102 atomic mass What is the element? Express your answer as an iso...
What element has all radioactive isotopes? What are the stable isotopes of silicon? What are the stable isotopes of nitrogen? What are the elements of an isotope? What is a stable isotope? What is the range of isotopes that chemical elements have? What do all isotopes of the same element...
Some elements can only exist in an unstable form (for example, uranium). Hydrogen is the only element whose isotopes have unique names: deuterium for hydrogen with one neutron and tritium for hydrogen with two neutrons. DOE Office of Science & Isotopes...
What is a neutron ? What is an electron ? What is an Atomic Number ? What is a Mass Number (of an atom)? What is Relative Atomic Mass? What is an isotope ? What is a molecule ? Elements Mixtures & Compounds Elements, Mixtures and Compounds What is a chemical element ? What is a...
What is common in the different isotopes of an element? View Solution The isotopes of an element contain : View Solution Isotopes of an element do not have View Solution Isotopes of an element always have the View Solution Isotopes of an element have ___. View Solution BHARATI...
4 Lithium has two naturally-occurring isotopes, Li and Li.(a)What do you understand by the term isotope?atoms with same numbe of protons but differen numbe of neutrons•■■■...……...[1](b)Draw a labelled diagram to show the atomic structure of an atom of Li.Show the particles...
b) What unit is used for average atomic mass? Express the atomic mass unit in grams. Isotopes: The elements having differing numbers of neutrons but an equal number of protons are named isotopes. The proton number in the nu...