What were the limitations of Newlands’ Law of Octaves?

Explanation

### Step-by-Step Solution:

1. **Understanding Newland's Law of Octaves**:
- Newland's Law of Octaves was proposed by John Newlands in 1865. It states that when elements are arranged in order of increasing atomic mass, every eighth element exhibits similar properties, analogous to the musical scale where every eighth note is similar to the first.

2. **Limitation 1 - Applicability**:
- The first limitation of Newland's Law of Octaves is that it was only applicable to the first 16 elements, up to calcium (Ca). Beyond calcium, the pattern of repeating properties every eighth element did not hold true.

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