The smallest building unit of matter, Atom, molecule, Cell, The simplest form of matter cannot be separated into more substances , Compound, Element, water, The bond that can be formed between atoms of opposite charges, Ionic compound, Covalent compound, element, It is formed when two or more atoms share together, Ionic bond, Covalent bond, atoms.

Leaderboard

Visual style

Options

Switch template

)
Continue editing: ?