And you know, they might not be exactly like what you expected them to be online.
而且,现实生活中的他们(她们)可能和你在网上见到的那个人不完全一致。
This will be the definition of the mole as the amount of carbon weighing exactly 12 grams, so I would like to know now how many particles, how many carbons are there in that mole.
摩尔的定义就是,12克的碳的数量,我想知道有多少粒子,一摩尔会有多少碳粒子。
Just as forewarning for people who have forgotten what a median is, that means half of you--not approximately half, it means exactly half of you-- will be getting something like B+ and below and half will get something like B+ and above.
稍微提示下忘记中位数含义的同学,这也就是说,不是一半左右,是绝对一半的同学,会得到B+的成绩或更低的成绩,另一半会到B+的成绩或更高的成绩
应用推荐