around 30
Number of protons in Selenium is 34.
There are 34 protons in a selenium-76 atom.
34
Selenium a non metal hexagonal grey element has 34 protons and electrons. The atomic structure of Selenium has 45 neutrons.
Selenium (Se) has an atomic number of 34 which means in a balance atom Se will have 34 protons and 34 electrons then Se has a mass of 79 so to get the neutrons we minus the protons from the mass and we get 45 final answer: Neutrons: 45 Protons:34 Electrons: 34
Selenium-55 has 34 protons, 21 neutrons, and 34 electrons.
121
2
I don't know Se-50.
2 protons and 2 neutron
None. Protons and electrons are not constituents of a neutron. Both neutrons and protons are constituents of an atom's nucleus (core), while the electrons are situated in the electronic cloud around the nucleus.
3He has 2 protons, 1 neutron, and 2 electrons.