This is a tremendous overview of the tiny atom. Journey through the history of human understanding of this basic building block of matter. Examine each of the sub-atomic particles in detail: neutrons, protons, electrons, quarks. Peruse...

On this note-taking sheeet, chemistry learners list elements as metals or non-metals. They differentiate between ionic and covalent bonds. They draw Lewis structures for both types of bonds. This would be a terrific teaching tool when...

Here is a thorough review of chemical bonding! Seventeen problems query chemistry learners about electron configuration and ionic bonding, sharing electrons and covalent bonding. Chemistry masters draw Lewis dot diagrams and answer...