What is a covalent bond?
Atoms held together by sharing of electrons
Analogy for covalent bonds
Tug of war
Molecule
Atoms joined by covalent bonds
Molecular compounds have _____ ________ ___ __________ ______ than ionic compounds
Lower melting and boiling points
Molecular compounds are usually a ___/_______ at room temperature
Gas liquid
Molecular compounds are formed by:
Nonmetals and sometimes metalloids
H2O is an example of a ______ or ______ formula
Molecular or chemical
What elements sometimes have more than 8 electrons? How many?
Phosphorus and sulfur will either have 10 or 12 respectively if not the usual 8