What are the important factors in forming the symbol of an element?

What are the important factors of photosynthesis ?

Collect the symbols of various elements.

an element with mass number 181 contains 32% more neutrons as compared to protons. What is the symbol of that element ?

The symbol of the element iron is-

What is the use of symbols for elements?

Write the atomic number and the symbol of an element which has mass number 32 and the number of neutrons 16 in the nucleus.

An important factor for our individual health is

What are the various factors due to which the IE of the main group elements tends to decrease down a group ?