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If element X has 91 protons, it is element Protactinium (Pa) on the Periodic Table. In a neutral atom, the number of electrons equals the number of protons, so element X would also have 91 electrons.

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1mo ago

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How many protons are in element 91?

91. Atomic number is equal to the number of protons.


How many electrons and protons does protactinium have?

Protactinium has 91 protons and electrons; the number of neutrons is different for each isotope: Number of neutrons = Atomic Mass of the isotope - 91


What element has the mass of 91?

In the natural form, it is Zr with 40 protons, 51 neutrons and 40 electrons. . But some isotopes have an atomic mass of 91 too.


231PA91 has how many neutrons?

The element proactinium-231 has 140 neutrons (element number 91, 91 protons).


How many neutron and protons are in protactinium?

Protactinium has 91 electrons; the valence is 4 or 5.


How many protons neutrons and electrons are in uranium 236?

U234 occurs naturally in small amounts, 0.0054 percent of total U. 1/2 life is 245,500 years. Number of protons 92 (as for all U isotopes), neutrons 142, electrons 92.


Chemistry how many protons does a protactinium has?

Protactinium has 91 protons.


What element has 92 protons and 146 neutrons?

The element is Uranium , the symbol is (U). The charge is +1 because:Atomic number(Z): # of protons (92), which also tells you what element it is in the periodic table.Ion charge: # of protons (92) - # of electrons (91) = 1Mass number(A): # of protons (92) + # of neutrons (143) =235


How many subatomic particles in silver?

155 particles 47 protons 47 electrons 61 neutrons


How many neutrons and protons are in zirconium?

40 protons and 40 electrons.The most stable isotope of zirconium (Zr-91) has 51 protons.


How many negative charges are in the atom?

That depends on what element it's an atom of. In a neutral atom of Hydrogen . . . 1 In a neutral atom of Uranium . . . 92 In a neutral atom of any other naturally occuring element . . . between 2 and 91.


What is the proton number of protactinium?

Protactinium has 91 protons.