Antonym: varied. Similar words: impaired, unimpaired, hearing-impaired, visually impaired, unpaid, in pairs, unpaid balance, aired. Meaning: adj. of the remaining member of a pair, of socks e.g..
31. So, electron promotion does not happen in terms of nitrogen, because it would not increased our number of unpaired electrons.
More similar words: impaired, unimpaired, hearing-impaired, visually impaired, unpaid, in pairs, unpaid balance, aired, haired, grey-haired, unpack, unpaved, unpacked, unpacking, unparallel, be in pain, unparalleled, unpalatable, unpatriotic, unpardonable, pair, repair, impair, au pair, pair off, lone pair, despair, a pair of, base pair, disrepair.