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One isotope of beryllium Be undergoes beta minus decay with a half life of around 14 seconds, and thus creates a Boron atom. The boron atom is now ionized by removing several electrons such that it can be described as a 'hydrogen like' boron ion. State how many electrons it now contains and the symbol for this ion.

Using the Schrodinger atomic model write down a formula for the energy of each of the quantum states of this ion. The equation should include the principal quantum number n.

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