The modern periodic table is based closely on the ideas he ... For example, lithium (Li), sodium (Na) and potassium (K) all have the same kind of reaction with water. The group of elements below ...

Can France claim the first periodic table? Probably not, but a French Geology Professor made a significant advance towards it, even though at the time few people were aware of it. Alexandre Béguyer de ...

Science lessons about matter for K-5 students and teachers that align with the Next Generation Science Standards ... In this edition of Celebrating Chemistry, explore atoms and the periodic table, go ...