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Beryllium 9 has 5 electrons.

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Dahlia Miller

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3y ago

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How many protrons and neutrons in beryllium?

four protons and 5 neutrons in Be-9


What are the numbers of neutrons in beryllium?

The most common isotope of Beryllium is Beryllium 9, which has 5 neutrons.


What n is beryllium?

Beryllium is a chemical element with the symbol Be and atomic number 4.


The atomic mass of beryllium with 5 neutrons?

Beryllium typically has 4 neutrons in its nucleus, so an isotope with 5 neutrons would have a mass number of 9. Therefore, the atomic mass of beryllium with 5 neutrons would be approximately 9 atomic mass units (amu).


If beryllium has an atomic number of 4 and an atomic mass of approximately how many neutrons does beryllium atom have?

Since the mass number is protons plus neutrons, it would have 5 neutrons.


How many neutrons and electrons beryllium has?

The most important isotope of beryllium - 9Be - has 5 neutrons. The neutral atom of beryllium has 4 electrons.


How many electrons protons and neutrons are in beryllium?

One beryllium atom has four (4) electrons, four (4) protons, and three (3), five (5) or six (6) neutrons, depending on the isotope being considered. The only stable isotope is Beryllium-9 (with 5 neutrons) but beryllium-10 (with 6 neutrons) has a relatively long half-life of 1.51 million years.


What element has 5 neutron and 4 protons beryllium-8 or beryllium-9?

4 - protons (so it is beryllium) 5 - neutrons, therefore, it is beryllium-9 (4+5 is nine)


Beryllium has a atomic number of four and a atomic mass of 9 beryllium has?

Beryllium has an atomic number of 4, which indicates the number of protons in its nucleus. Its atomic mass of 9 includes the total number of protons and neutrons in its nucleus. This means that beryllium has 4 protons and usually 5 neutrons.


How many prontons are present in an atom Be-9?

Beryllium has four protons. Be9 also has five neutrons, for a total mass of 9.


What element in the periodic table has 4 neutrons?

Any element can have 4 neutrons but most of them aren't metallic. Anyway's on the periodic table it would be Be and that stands for Beryllium


How many protons dose Beryllium-9 have?

The element beryllium has an atomic number of four. All atoms of this Group 2 metal, regardless of which isotope we might consider, have four protons in their nucleus. And all beryllium atoms have a +4 nuclear charge.