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2. Cause the only element that can "always equal 2" is Helium. And helium has 2 electrons. Number of protons=number of electrons.

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What is the number of electrons in a neutral atom of an element on an periodic table?

There is none, but a neutral atom is called a neutron. There is no neutral element.


If element X has 72 protons how many electrons does it have electrons?

Element X with 72 protons will have 72 electrons in a neutral state. The number of protons in an element is equal to the number of electrons in that element's neutral atom.


How many electrons in an element with one proton?

The number of PROTONs and the number of ELECTRONs are always equal in a neutral atom. Therefore an element with one PROTON will have one ELECTRON and that element will be called Hydrogen.


How do you calculate number of electrons of a given element?

You can only be sure of the number of electrons if the element is electrically neutral. If an element is electrically neutral, then the number of electrons is the same as the number of protons which is the atomic number of the element. For instance an electrically neutral atom of carbon, there are 6 electrons because there are 6 protons in a carbon atom.


If you know the number of electrons in a neutral atom can you determine what the element is?

Yes, in a neutral atom the number of electrons and protons is equal, and it is the number of protons that determines what element the atom is. So, by looking at the number of electrons you can tell what element it is.


Is an element determined by the number of electrons?

no . by the number of protons which determines the number of electrons when neutral


What is the element whose atom has 8 electrons when neutral?

The number of electrons corresponds to the "index" number of the element in the periodic table. The 8th element is Oxygen, which has 8 atoms when neutral. That didnt answer the question. ANSWER Neon has 8 electrons :)


Is it true that the number of electrons in an element is the same for all neutral atom of that element?

Yes, this is true for electrons (and protons) of all neutral atoms of an element.


What number of an element can be used to determine the number of electrons in an atom?

The atomic number of an element can be used to determine the number of electrons in an atom. It is equal to the number of protons in the nucleus of an atom, which also corresponds to the number of electrons in a neutral atom.


What two particles in an atom always have the same number?

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What can be said of the number of electrons of the one element can have?

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What is equal to the number of protons?

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