Atomic Mass, 78.96 atomic mass units ; Number of Protons, 34 ; Number of Neutrons, 45 ; Number of Electrons, 34 ; Melting Point, 217.0° C.

24 сент. 2020 г. · The number of neutrons in Se is 45, and the number of protons and electrons is 34. Protons are positively charged particles found in the ...

26 февр. 2011 г. · The atomic number of selenium is 34. So there are 34 protons. In Se-80, there will be 46 neutrons (80 - 34 = 46)

1 июн. 2020 г. · The Selenium isotope 82 Se 34 has 34 protons and 34 electrons since the atomic number is 34. The number of neutrons is determined by subtracting the atomic ...

So if we have a selenium atom with an atomic number of 34, it means that the number of protons is equal to 34.

Group, 16, Melting point ; Period, 4, Boiling point ; Block, p, Density (g cm−3) ; Atomic number, 34, Relative atomic mass ; State at 20°C, Solid, Key isotopes ...

9 сент. 2020 г. · The atomic number of selenium is 34. Since atomic number represents number of protons, that will be 34. Take the difference of the mass number ...

The nucleus consists of 34 protons (red) and 46 neutrons (blue). 34 electrons (green) bind to the nucleus, successively occupying available electron shells ( ...

Number of Protons/Electrons: 34 ; Number of Neutrons: 45 ; Classification: Non-metal ; Crystal Structure: Hexagonal ; Density @ 293 K: 4.79 g/cm ...