What do you understand by periodic properties of elements ? Name any three such properties.

Explanation

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

1. **Understanding Periodic Properties:**
Periodic properties refer to the trends and patterns in the physical and chemical properties of elements as you move across periods (rows) and down groups (columns) in the periodic table. These properties are periodic functions of atomic number, meaning they repeat at regular intervals.

2. **Historical Context:**
The modern periodic table, which organizes elements based on increasing atomic number, was developed by Henry Moseley. This arrangement allows for the observation of periodic trends in elemental properties.

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