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The number of orbitals is easy. Find out the number of electrons (atomic number) and then separate it into the relevant shells. GCSE: you are required only to know the electron configuration e.g. 2.8.8.... A-Level: sort it into sub-levels 1s, 2s, 2p, 3s, 3p, 4s, 3d.... Ok, so if you are taking the element Mg into consideration GCSE: 2.8.2 A-Level: 3 row down (so 3rd sub-shell) and the s-block of the Periodic Table 1s2, 2s2, 2p6, 3s2 Finito!

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Q: How can you tell how many electrons orbital shells an element has?
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Related questions

How many shells are there in Nitrogen?

there are two shells of electrons in the nitrogen atom that actually have electrons in them, nitrogen has two electrons in the first shell, the S orbital, and five in the outer shell, the P orbital. this causes nitrogen to have a valence shell with five electrons.


Can you put orbital in a sentence?

Orbital Notation is a way to show how many electrons are in an orbital for a given element.


How many inner electrons are in the element Oxygen?

Oxygen has 2 electrons in the innermost orbital and 6 in the outermost (valence) orbital.


How many outer orbital electrons are found in an atom of radium?

Two electrons in the outer shell of radium.


How many shells are there in element mercury?

There are 80 electrons shells for mercury.


How do you know how many unpaired electrons are in an element?

By determining the element's orbital diagram, or its electron configuration.


How many orbital shells do boron have?

Boron has 2 shells altogether. 2 electrons on the first one and the remaining three on the second. Altogether boron (B) has 5 electrons.


How many electrons does the orbital oxgen have?

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


How many electron shells does the beryllium atom have?

Two energy shells. Made up as 1s2, 2s2 Shells 1 & 2 each have only 's' orbital and each orbital has only two electrons in it. The outer shell '2' is more energetic. The electrons are paired and spin in opposite directions to each other.


How many electrons are in the outer shells of copper?

The outer shell (N=4) of the copper element has 2 electrons.


How many electrons shells does Platinum have?

Platinum is in the 6th period, meaning its atom has 6 energy shells. It is in Group 10 and has 78 electrons.


How many electron orbital shells does francium have?

Francium has seven electron shells; electrons per shell: 2, 8, 18, 32, 18, 8, 1.