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Beryllium

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Riley Wolf

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2y ago

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What element has 4 electrons 5 protons and 4 neutrons?

Be- Beryllium


What is the atomic mass of an element with 4 protons 5 neutrons and 4 electrons?

The atomic mass of an element is the sum of the number of protons and neutrons in the nucleus. In this case, the element has 4 protons and 5 neutrons, so its atomic mass is 4 + 5 = 9 atomic mass units (amu). The number of electrons does not affect the atomic mass.


An element has 4 protons 5 neutrons and 4 electrons What is the atomic mass of the element?

That would Beryllium, with an atomic number of 4 and mass number of 9Hope this helped!


If the atomic number of an element is five how many protons does the element have?

Neutrons do not affect the neutrality (or charge) of an atom; protons and electrons do. In order to be neutral, the number of protons must be the same as the number of electrons.


What is the atomic number of an atom that has a mass of 9 and 5 neutrons?

The mass is protons + neutrons. So, if the mass is 9 and it has 5 neutrons, then there must be FOUR (4) protons. This would be the element beryllium (Be).


Is boron protons electrons or neutrons?

Boron is an atom or element, and it contains protons, electrons, and neutrons.


The element boron how many protons and neutrons does it have?

Boron has 5 neutrons and 5 protons for its most common isotope


How many protons neutrons electrons are found in the beryllium atom?

All beryllium atoms have 4 protons and 4 electrons. The number of neutrons is characteristic of a particular isotope, not of beryllium as a whole, and may be determined by subtracting 4, the number of protons, from the mass number of the isotope.


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)


What is the identity of an element with 5 protons 7 neutrons and 5 electrons?

Five protons makes this the element boron. The number of protons is the atomic number, and determines the identity of an element. This example would be the boron-12 isotope because it contains 5 protons and 7 neutrons.


How many protons and neutrons does Be have?

Beryllium has 4 protons, 5 neutrons and 4 electrons.


What element has 4 protrons 5 neutrons and 4 electrons?

Any atom with 4 protons is an atom of beryllium. If the atom is neutral, it must also have 4 electrons. However, 5 neutrons specifies an isotope, specifically Be-9, rather than an element as such.