What was the basis of classification of elements by Lother Meyer?

Explanation

**Step-by-Step Text Solution:**

1. **Understanding Lothar Meyer's Classification**: Lothar Meyer was a chemist who contributed to the development of the periodic table. His classification of elements was based on their atomic weights.

2. **Arrangement of Elements**: Meyer proposed that if elements are arranged in the order of their atomic weights, they exhibit a periodicity in their properties.

3. **Grouping of Elements**: According to Meyer, when elements are arranged by atomic weight, they fall into groups that share similar chemical and physical properties.

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