To which series will the following elements belong? `""_(103)^(257)Lr, ""_(99)^(254)Es, ""_(95)^(243)A m`

Explanation

To determine the series to which the elements belong, we need to analyze their atomic numbers and identify whether they are part of the lanthanide or actinide series.

### Step-by-Step Solution:

1. **Identify the Elements**:
- The elements provided are:
- Lr (Lawrencium) with atomic number 103 and atomic mass 257.
- Es (Einsteinium) with atomic number 99 and atomic mass 254.
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