Chemical Bonds 1 + 2 + 3 Flashcards
(12 cards)
1
Q
What is a covalent bond ?
A
A shared pair of electrons
2
Q
What is a polar covalent bond ?
A
Where two atoms share electrons unequally due to a difference in electronegativity eg. HCl
3
Q
What is a dative covalent/ co-ordinate bond ?
A
Forms when the shared pair of electrons in the covalent bond come from only one of the bonding atoms
4
Q
What is ionic bonding ?
A
The electrostatic force of attraction between oppositely charged ions
5
Q
What is the solubility of ionic compounds ?
A
Generally good
6
Q
Linear bond angle
A
180°
7
Q
Trigonal planar bond angle
A
120°
8
Q
Tetrahedral bond angle
A
109.5°
9
Q
Trigonal pyramidal bond angle
A
107°
10
Q
Bent bond angle
A
104.5°
11
Q
Trigonal bipyramidal bond angle
A
120 and 90°
12
Q
Octahedral bond angle
A
90°
