chemical bond - two atoms or ions that are chemically joined together, molecule - two or more atoms held together by covalent bonds, covalent bond - two atoms join together by sharing electrons, ionic bond - forms when one atom donates an electron to another atom, H2O - a substance with covalent bonds, NaCl - a substance with ionic bonds,

Scorebord

Visuele stijl

Opties

Template wisselen

Automatisch opgeslagen activiteit "" herstellen?