What would be the `IUPAC` name and symbol for the element with atomic number `120`?

Explanation

To determine the IUPAC name and symbol for the element with atomic number 120, we can follow these steps:

### Step 1: Identify the digits of the atomic number
The atomic number 120 can be broken down into its digits: 1, 2, and 0.

### Step 2: Assign root names to each digit
According to IUPAC nomenclature:
- The root name for 1 is "un"
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