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Beryllium 9 has 5 electrons.

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Dahlia Miller

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13y ago

3: Beryllium with 5 neutrons is stable, while 4 and 6 neutrons are not, and almost never occur naturally.

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12y ago

5 neutrons

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Q: How Many Neutrons in beryllium 9?
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Related questions

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 (Be-9) has 5 neutrons.


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 neutrons are in a neutral beryllium atom?

An element is defined as atoms with the same number of protons (and thus electrons). Beryllium has 4 protons and 4 electrons. The number of neutrons is determined by subtracting the atomic number from the atomic mass. At least three isotopes of Beryllium have been identified but there is only one stable naturally occurring isotope - Beryllium 9. If there are 4 protons, there must be 9 - 4 = 5 netrons in this isotope. The other stable isotope is beryllium 10 with a half life of 2,700,000 years and this must have 6 neutrons. This does not occur naturally but is made in atomic reactors. The other identified isotope is Beryllium - 8 which is made in the same way but immediately splits into two helium nuclei. So for most naturally occurring Beryllium, there are 5 Neutrons.


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)


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 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 prontons are present in an atom Be-9?

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


How many protons for ion Be2 plus?

The atomic number of beryllium (Be) is 4 and the atomic mass is 9 for the most stable isotope. Be-9 isotope has 5 neutrons (9 - 4 = 5).Beryllium's stable isotope (Be-9) has 5 neutrons. There are about 11 other isotopes known, Be-7 and -10 the next most common and have 3 and 6 neutrons respectively but only exist in nature in trace amounts.


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

Therefore beryllium has 4 protons, 4 electrons and 5 neutrons.