我们周围都是原子.可以说原子就是组成物质的“砖块”.即使是在一粒盐的里面,就包含这数十万的原子.但原子是非常重要的.物质处于哪种形态完全在于原子的种类和组成方式.
例如,很多固态物质在得到足够热量的时候,会融化.这是为什么?这就是热量对原子的影响.所有的原子都是持续不断地在运动中.当原子变热,他们将运动得更快.
下面的短文译文Atoms are all around us.They are the bricks of which
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