Read the following statements and identify the elements :
Highly reactive and soft metal which imparts yellow colour when subjected to flame and is kept in kerosene.

Explanation

To identify the element based on the given statements, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Characteristics**: The element is described as highly reactive and soft. This suggests that it belongs to the alkali metals group (Group 1 elements) in the periodic table.

2. **Determine the Alkali Metals**: The alkali metals include lithium (Li), sodium (Na), potassium (K), rubidium (Rb), cesium (Cs), and francium (Fr). Among these, sodium (Na) and potassium (K) are known to be soft metals.

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