News
A pure substance is made from only one compound or just one element with no other substances mixed in. Hold up those two glasses, Katie. Imagine the pompoms represent individual chemical atoms ...
A pure substance is made from only one compound or just one element with no other substances mixed in. Hold up those two glasses, Katie. Imagine the pompoms represent individual chemical atoms ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results