Last Minute Flashcards
3 atom molecule: how to determine its shape?
Is there a lone pair on central atom?
No: linear
Yes: bent
The shape of all 2-atom molecules r…
Linear
How to determine the shape of a 4-atom molecule?
Is there a lone pair on central atom?
No: trigonal planar
Yes: trigonal pyramidal
The molecular structure 5 atom-molecules (like methane) r typically…
Tetrahedral
The polarity of monoatomic atom or a diatomic atom completely composed of one element is…
Non-polar
The polarity of molecules containing only carbon and hydrogen r…
Non-polar
The polarity of symmetrical and non-symmetrical molecules are…
Non-polar
Polar
How does electronegativity affect polarity?
Less than 25, non-polar
More than 25, polar
If a molecule has hydrogen bonding, its polarity is…
Polar
The polarity of ionic bonds r always…
Polar
If a compound contains a metal or NH4, it is ionic, meaning it will form an __ solution
Electrolytic
Will molecular compounds dissolve to form an electrolytic compound?
No
Molecules which remain together after dissolving r __ and may be called __/__ solutions
Non-electrolytes
Covalent/molecular
