Electron: Definition, Symbol & Location with Example
What is electron & who discovered it: also learn its symbol, size, mass, charge, & how to find their number in an atom with example and picture| Science Facts
What is electron & who discovered it: also learn its symbol, size, mass, charge, & how to find their number in an atom with example and picture| Science Facts
What is an atom in chemistry, who discovered it, & what are they made of: its facts, meaning, size, structure & parts described with examples & picture| Science Facts
