Identify the elements with the following property and arrange them in

1.	Identify the elements with the following property and arrange them in increasing order of their reactivity.1. An element which is soft and reactive metal.2. The metal which is an important constituent of limestone.3. The metal which exists as liquid at room temperature.
Answer» 1. Sodium is soft and reactive metal. 2. Calcium 3. Mercury So, the increasing order of their reactivity is Hg < Ca < Na or Mercury < Calcium < Sodium

Identify the elements with the following property and arrange them in increasing order of their reactivity.1. An element which is soft and reactive metal.2. The metal which is an important constituent of limestone.3. The metal which exists as liquid at room temperature.

Answer»

1. Sodium is soft and reactive metal.

2. Calcium

3. Mercury

So, the increasing order of their reactivity is
Hg < Ca < Na or Mercury < Calcium < Sodium

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Identify the elements with the following property and arrange them in increasing order of their reactivity.1. An element which is soft and reactive metal.2. The metal which is an important constituent of limestone.3. The metal which exists as liquid at room temperature.

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