Question: what is an unabbreviated electron configuration?
Answer: The atomic number for argon is 18. The atomic number is the number of protons in the nuclei of the atoms of an element. So argon has 18 positively charged protons, and a neutral argon atom will also have 18 negatively charged electrons. ... The unabbreviated electron configuration for argon is 1s22s22p63s23p6 .