Covalent Bonding Flashcards
1
Q
When is a covalent bond formed?
A
when a pair of electrons is shared between two atoms
2
Q
what are simple molecular structures made of?
A
molecules containing a few atoms joined by covalent bonds
3
Q
what is the strength of the forces of attraction?
A
weak
4
Q
what are the meeting and boiling points like of simple molecular substances?
A
low
5
Q
why do they have low melting points?
A
due to the weak forces of attraction
6
Q
what state are most molecular substances at room temperature?
A
gasses or liquids
7
Q
why cant molecular compounds conduct electricity?
A
they don’t contain any free electrons or ions
8
Q
what happens as the molecules get bigger?
A
the strength of the intermolecular forces increases and more energy is needed to break them so the melting points increase
