More N2 vocabulary

• 気体きたいvapour, gas
• 行列ぎょうれつ(1) line, procession, (2) matrix (math)
• 古典こてんold book, classics, classic
• 重体じゅうたいseriously ill, serious condition, critical state
• 仮名かな(n) alias, pseudonym, pen name
• 請うこうto ask, to request