In everyday life, for example on food packaging, the word ‘pure’ usually means that something is in its natural state without anything added to it, like sweeteners or preservatives. Natural fruit ...
Chemical reactions occur when elements or compounds combine and create new compounds. Elements are substances that contain only one type of atom and are represented by unique symbols on the periodic ...
an element contains just one type of atom a compound contains two or more types of atom joined together a mixture contains two or more different substances that are not joined together the different ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback