Science Featured on MSN20h
Pollutants in Our Water May Now Be Easier to Remove
Understanding how to remove harmful pollutants from water is a critical challenge in environmental science. A recent study by ...
BBC23h
Interpreting dot and cross diagrams
The dot and cross diagram shows that a water molecule is made up of one oxygen atom joined to two hydrogen atoms, so the formula of water is H 2 O. A nitrogen molecule is made up of two nitrogen ...