What has 11 protons - how many protons does selenium have
Atomic number and mass number
how many protons does selenium have
An atom has mass number 23 and atomic number 11 How class 11 chemistry CBSE
Why does a sodium atom have an atomic number of 11 and a mass number of 23? This value is based on measurements involving a proton and an electron namely, measurements and complex calculation involving scattering cross section based on equation for , and studies of the atomic of hydrogen and deuterium.
Examples of Dissimilarities Between Protons and Electrons As from the above paragraph, there are lots of misconceptions about Protons and Electrons, that they always have the same number of protons and electrons, and so on, here are some of the exceptional examples.
There are almost 118+ different types of atoms, each one is different from the other, different masses, chemical compositions, different behavior, and many other different things that separate these atoms from each other.
There are only certain combinations of neutrons and protons, which forms stable nuclei.
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