Please choose the correct ending to complete the given sentence: Education and Communications: [header] How to study organometallic chemistry [title] Understand what organometallic chemistry is. [step] In a nutshell, it's a branch of organic chemistry that is relatively new, dating back to only few decades. This area of chemistry lies at the interface between organic chemistry and inorganic chemistry of the metals in all its types.

Ending1: The need for the development of this area of chemistry stemmed from the fact that many organic reactions are unable to proceed under normal conditions of reactions in the organic laboratory. [title] Study the role of organometallic compounds. Ending2: [substeps] Organometallic chemistry is an ideal form of chemistry because it is relatively new and does not require much technical knowledge. The strongest are non-organic compounds such as aluminum, zinc, copper, and iron. Ending3: [substeps] In you should find an introduction to organometallic chemistry thoroughly. The introduction must cover the foundations of the central field of organometallic chemistry. Ending4: This branch of chemistry is known as " organometallic chemistry. " this chemistry is a more rigorous form of the core chemistry, overlaying chemistry for the purpose.

Answer format: ending1/ending2/ending3/ending4