Question

write the characteristics of the element having the atomic number 20
​

Answer 1

Calcium is an element having the atomic number 20.

The characteristics of the element having the atomic number 20 which is calcium are:-

• The electronic configuration of calcium is 2,8,8,2 which is equal to 20.
• As we know, the atomic number is the number of protons. The calcium 40 isotope has a mass number of 40 and an atomic number of 20 thus it has 20 protons.
• Calcium is a chemical element which has the symbol Ca and atomic number 20.
• Calcium is classified as an alkaline earth metal.
• Calcium is solid when at room temperature.
• Calcium is a silvery-white and soft metal that degrades shortly in the air and instantly reacts with water.
• Calcium is a metal which is used as a reducing agent for preparing other metals such as thorium and uranium.
• Calcium is also utilized as an alloying agent for elements such as aluminium, beryllium, copper, lead and magnesium alloys.

#SPJ1