Consider the nuclear equation below. 124 124 > cs + ? 56 55 which completes the nuclear equation? 0/+1e 0/-1e 1/0n 1/1h

Given:

Nuclear reaction

¹²⁴Ba₅₆  →    ¹²⁴Cs₅₅ + ?

To determine:

The product that would complete the nuclear reaction

Explanation:

In order to balance the nuclear reaction, the atomic number and the mass number on the reactants and products must be balanced.

Reactant- Ba                                                Product- Cs

Mass number = 124                                    Mass number = 124

Atomic number = 56                                  Atomic number = 55

The mass number is balanced, however the atomic number in the product is deficient by 1 unit. This can be balanced by a positron i.e.  ⁰e₁

Ans (a)

¹²⁴Ba₅₆  →    ¹²⁴Cs₅₅ + ⁰e₁

if two electrons have the same n, the same ℓ, and the same ml, then they are in the same orbital. the pauli exclusion principle states that no two identical fermions (a fancy word for electrons and other subatomic particles like electrons) may occupy the same quantum state in an atom simultaneously.

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