化学元素符号是初中化学的“入门关”,但很多同学一看到“H₂O”“CO₂”就头大,觉得枯燥难记。其实,掌握化学元素符号并不难,只要用对方法,你也能轻松成为“化学小达人”!今天,就分享3个超实用的学习妙招,让你快速记住元素符号,化学成绩蹭蹭往上涨!1.
early 15c., satisfien, “do penance,” also “appease, assuage;” also “fulfill , comply with , satiate ,” from Old French satisfiier “pay, repay, make reparation” , from Latin satisfacere “discharge fully, comply with, make amends,” literally “do enough.”