An ion has an unequal number of protons and electrons. If the charge is positive, there are more protons than electrons. If the charge is negative, electrons are in excess. You can find the number of neutrons if you know the isotope of the atom. Simply subtract the number of protons (t...
How do you find the mass number of an isotope? A certain isotope X^+ contains 54 electrons and 78 neutrons. What is the mass number of this isotope? What is the mass number of the hydrogen isotope that contains 2 neutrons? What isotope has 17 protons and 18 neutrons? What isotope has ...
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An isotope is a chemical element having the same number of protons in the nucleus or the same atomic number (Z) but differing by the mass number (A) due to a difference in the number of neutrons: for example, the carbon (Z = 6) is constituted of two isotopes, 12C (A = 12) and...
Considerable development has taken place over the years, resulting in very versatile instruments having very high resolving power and sensitivity. The resolving power of a mass spectrometer is a measure of its ability to separate ions that have a very small difference in mass. If two ions of ...
10 An isotope of element Y has 19 protons and 20 neutrons in its nucleus. Which is the symbol for the ion of Y?B A. ½{20}{0}x B ½{30}{3}Y* C $$ \begin{matrix} 2 0 \\ 1 9 \end{matrix} $$Y D. $$ _ { 1 9 } ^ { 3 9 } $$Y 相关知识点: 试题来源: ...
A method of manufacturing a component. In a preferred embodiment, the method includes enriching an element with an isotope and using the enriched element as a material of the component. A property of the first isotope being the same as a property of a se
To solve the question regarding the emission from an isotope when the neutron-to-proton (n/p) ratio is greater than that of the stable isotope of that element, we can follow these steps:1. Understanding the n/p Ratio: - The
Wheat (Triticum aestivum L.) is a major staple food for more than one-third of the world’s population. Tiller number is an important agronomic trait in wheat, but only few related genes have been cloned. Here, we isolate a wheat mutant, tiller number1 (
To this end, we applied a stable-isotope-based metabolomics approach to compare metabolic routes of glucose and the ribose subunit in inosine. Specifically, we supplied [13C6]glucose or [1′,2′,3′,4′,5′-13C5]inosine, in which only the ribose contains carbon-13, as the metabolic ...