空气对我们来说,是再普通不过的一种物质了,召之即来,挥之即去。但空气对我们来说,又是太过重要的一种物质了,举足轻重,不可或缺。下面就和同学们说说有关空气的一些趣事。空气不“空”1771年,瑞典药剂师舍勒将一块橡皮似的白磷扔进一个空瓶子。白磷是个脾气暴躁的家伙,它平白无故就会“发火”——在空气中自燃。舍勒发现,白磷燃烧之后,瓶子中失去了约1/5的气体,而 Air is, for us, something that is no longer ordinary, but when it is called, the air is gone. But air is too much of a material substance for us, essential and indispensable. Here are some of the anecdotes about the air with your classmates. In 1771, the Swedish pharmacist Scheler threw an eraser-like white phosphorus into an empty bottle. White phosphorus is a temper guy, it will for no reason “angry ” - in the air spontaneous combustion. Scheler found that white phosphorus lost about 1/5 of the gas in the bottle after burning it