How Many Protons& Neutrons Does Selenium Have?

Answer Selenium has 34 protons and 45 neutrons. Selenium is a metalloid, which means that it has properties of both metals and nonmetals. It is used primarily in photoelectric cells, which are used in vid... Read More »

Top Q&A For: How Many Protons& Neutrons Does Selenium Have

How many protons are in selenium?

The element selenium has 40 protons in its nucleus. According to the Argonne National Library, selenium appears naturally in the environment in six different forms called isotopes, each containing ... Read More »

How many protons& neutrons are in 121-Te?

Tellurium-121, or 121-Te, has 52 protons and 69 neutrons. It is a radioactive isotope with a half-life of about sixteen days. It is one of 48 tellurium isotopes, only eight of which are considered ... Read More »

How many protons and neutrons are in 11B?

The boron-11 isotope, also called B11 or 11B, has 5 protons and 6 neutrons. The element's other isotope, boron-10, has 5 protons and 5 neutrons. Of the two isotopes, B11 is more abundant, making up... Read More »

How many protons and neutrons are in Te 121?

The atomic number of Tellurium, or Te, is 52. Tellurium always has 52 protons. The number of protons plus the number of neutrons equals the atomic weight, so Te 121 has 69 neutrons. Isotopes of Te ... Read More »