Ch - 3 (Covalent Bonds & Simple molecular compounds) Flashcards
1
Q
What is a covalent compound?
A
- 2 non - metals
- Pair of atoms share electrons
2
Q
What the diatomic molecules?
A
Have - Hydrogen
No -Nitrogen
Fear -Fluorine
Of -Oxygen
Ice -Iodine
Cold -Chlorine
Brocolli -Bromine
3
Q
What are the properties of simple molecular compounds?
A
- Gas at room temp.
- low m.p. & b.p.
- don’t conduct electricity
- burn
4
Q
Shy do they have low m.p. N b.p. ?
A
- Weak intermolecular forces so weak forces
- less energy required.
5
Q
Why are they poor conductors of electricity?
A
no free ion or electron
