What are the primary responsibilities of a chemical engineer involved in "r& d"?

In research and development, chemical engineers have the accountability for developing, researching, and using essential chemical procedures to develop a broad array of products for both industrial and commercial purposes.  

The majority of the jobs in this field aims at developing and researching chemicals, as well as procedures for testing and generating them, and applying industry-specific tools of software to determine the quality of procedures and outcomes of chemical development.  

atomic mass = 39

number of neutrons = 20

number of protons= 19

electronic configuration = 1s2 2s2 2p6 3s2 3p6 4s1

the number of electron in first shell = 2

number of electrons in n=3 shell = 8