The atomic number of an element is 4 while its mass under is 9. Find the number of electrons, protons and neutrons present in an atom of it. How should the element be represented?

Explanation

To solve the problem, we need to find the number of electrons, protons, and neutrons in an atom of an element with an atomic number of 4 and a mass number of 9. Let's break it down step by step.

### Step 1: Identify the Atomic Number and Mass Number
- The atomic number (Z) is given as 4.
- The mass number (A) is given as 9.

### Step 2: Determine the Number of Protons
- The atomic number (Z) represents the number of protons in an atom.
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