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How many core electrons in Ra?

There are 86 core electrons in radium (Ra), which is the number of electrons in filled inner electron shells. Radial's electron configuration is [Rn] 7s2, where [Rn] represents the electron configuration of radon (Rn) as the previous noble gas element.


How many valence electrons does the element lawrencium?

Lawrencium is a trivalent chemical element.


How many valence electrones does Rn have?

Rn or Radon is a noble gas, and has 8 Valence Electrons


What element completes the 5p sub level?

The 5p sublevel is completed with 6 electrons with the addition of the element radon (Rn).


The noble gas notation electron configuration Rn7s25f2 describes the electrons of which element?

You think probable to protactinium: [Rn]5f2.6d1.7s2.


How many valence elec does rn have?

Radon, being a noble gas, has 8 valence electrons, giving it a stable octet.


How many electrons does the element neon?

The Element Neon has 10 protons and 10 electrons.


How many electrons in outer ring of flerovium?

Flerovium is element 114 on the periodic table, and its electron configuration is [Rn] 5f14 6d10 7s2 7p2. This means that the outermost electrons, in the 7s and 7p subshells, add up to 4 electrons in the outermost ring.


How many electrons does element oxygen have?

Oxygen is a non metal element. There are 8 electrons in a single atom.


How many electrons does argon element have?

8 electrons


How many electrons are there in the element?

Thorium has 90 electrons.


What element in the periodic table has atomic mass of 230 with 86 electrons?

Rn has 86 electrons, Th is the closest to having an atomic mass of 230