For each of the following isotopes, write the number of protons, neutrons, and electrons. ... Selenium-30. Selenium-35. # of protons. 11. # of protons. # of ... |
5 сент. 2020 г. · Selenium (Se) has 30 protons and 20 neutrons in each atom, therefore its atomicnumber is. and its atomic mass number is. 30,20. 30, 50. |
12 дек. 2022 г. · The difference between each selenium isotope is based on the number of neutrons in the nucleus. |
Atomic Mass, 78.96 atomic mass units ; Number of Protons, 34 ; Number of Neutrons, 45 ; Number of Electrons, 34 ; Melting Point, 217.0° C. |
Selenium is a chemical element; it has the symbol Se and atomic number 34. It has various physical appearances, including a brick-red powder, a vitreous black ... |
26 февр. 2011 г. · Selenium has 34 electrons, 34 protons, and different isotopes of selenium can have varying numbers of neutrons. The most common isotope of ... |
Selenium ( 34 Se) has six natural isotopes that occur in significant quantities, along with the trace isotope 79 Se, which occurs in minute quantities in ... |
Answer and Explanation: A selenium atom have with a charge of -2 has 34 protons, 45 neutrons, and 36 electrons. |
Use the Periodic Table of Elements to complete the following chart. Chemical. Chemical Name. Symbol. Atomic. Number. Mass. Number. Number of. Protons. |
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