Covalent Compounds Flashcards
1
Q
What is a covalent bond?
A
Atoms held together by sharing of electrons
2
Q
Analogy for covalent bonds
A
Tug of war
3
Q
Molecule
A
Atoms joined by covalent bonds
4
Q
Molecular compounds have _____ ________ ___ __________ ______ than ionic compounds
A
Lower melting and boiling points
5
Q
Molecular compounds are usually a ___/_______ at room temperature
A
Gas liquid
6
Q
Molecular compounds are formed by:
A
Nonmetals and sometimes metalloids
7
Q
H2O is an example of a ______ or ______ formula
A
Molecular or chemical
8
Q
What elements sometimes have more than 8 electrons? How many?
A
Phosphorus and sulfur will either have 10 or 12 respectively if not the usual 8
