Question

Name the element which require minimum amount of energy to remove an electron from an isolated gaseous atom​

Answer 1

Answer:

SI system: It is the most important system of units. It is also the improved version of the MKS system. Simply put, a system of physical based on the meter, kilogram, second, ampere, kelvin, candela, and mole, together with a set of prefixes to indicate multiplication or division by a power of ten is known as the SI system.

Answer 2

The energy required to remove an electron from a neutral isolated gaseous atom and convert it into a positively charged gaseous ion is called ionisation potential. It is also called ionisation energy.