Patterns in the Periodic Table The periodic table is made up of columns (groups) and horizontal rows – (periods). The elements in Groups have similar.
AS Chemistry – Atomic structure and bonding. Sub-atomic particles Protons – mass 1; charge +1 Electrons – mass 1 / 1840 ; charge –1 Neutrons – mass 1;
Water Absorption
Covalent Compounds Chapter 8. Section 1, Covalent Bonds –Remember, ionic compounds are formed by gaining and losing electrons –Atoms can also share electrons.
Planning units of instruction
Atomic History Timeline
