The words contained in this file might help you see if this file matches what you are looking for:

...Cycle week september to october period step study the following topic from textbook modern periodic table position of elements in same topics part extra mark app ch classification detailed learning understanding concepts clear your doubts if any subject teacher revise using bullet points henry moseley showed that atomic number an element is a more fundamental property than its mass law physical and chemical properties are function their based on z equal protons present nucleus atom contains vertical columns known as group seven horizontal rows periods moving left right valence electrons increases shell remains all have end trends valency size metallic non characters electronegativity determined by outermost i e combining capacity first then decreases zero groups top bottom because example second refers radius it distance between centre isolated nuclear charge li be b c n o f point know noble gases corresponding largest due presence fully filled electronic configuration complete octet d...