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Chemistry
Covalent - From blooket and half from notes
Question | Answer |
---|---|
Which of the following is the strongest IMF | Hydrogen bonding |
Typically, a non-polar molecule will be ________________ | Symmetrical |
Typically, a polar molecule will be ________________ | Asymmetrical |
The type of intermolecular force that exist between all molecules | London dispersion forces |
The formation of dipole-dipole IMF results from: | Permanent dipoles |
The formation of dipole-dipole IMF results from: | O2 |
Dispersion forces result from the formation of: | Instant dipoles |
If you have NONPOLAR and POLAR molecules, which forces will definitely exist between the molecules? | Just dispersion |
Intra- is a prefix that means ___________. | Within |
Which are stronger: INTERmolecular forces or INTRAmolecular forces? | Intra |
The strongest type of intermolecular force is ____________. | Hydrogen bonding |
If you have two NONPOLAR molecules, which forces will definitely exist between the molecules? | Only London dispersion |
The type of intermolecular forces that exist between a hydrogen bonded to a N,O or F, and the lone pair of electrons on a neighbouring N, O or F | Hydrogen bonds |
The type of intermolecular force that exist ONLY between ALL polar molecules | Dipole |
If you have two POLAR molecules, which forces will definitely exist between the molecules? | LDF |
For hydrogen bonding to occur between molecules, hydrogen has to be bonded to at least one of the three atoms listed below: | F O N |
Which of the following IMF is the weakest? | LDF |
Inter- is a prefix that means ___________. | Between |
The weakest type of intermolecular force is ____________. | LDF |
What are intermolecular forces? | Forces between molecules in a substance |
A substance with strong intermolecular forces will have a ____________ surface tension | High |
Do metals gain or lose electrons | Lose |
Do non metals gain or lose electrons | Gain |
Is a lone pair drawn as dots or line | Dots |
A high electronegativity means that an atom is more likely to ___ valence electrons | Gain |
_________ have greater electronegativites | Non metals |
Covalent bond is formed between | Non metals |
Polar covalent is ______ | Uneven |
Non polar covalent is ______ | Even |
Ionic bonds are with | Metal and non metal |
Boron only requires _____ VE | 6 |
Beryllium only requires ___ VE | 4 |
Hydrogen can never have more than __ VE and cannot be the central atom | 2 |
Phosphorus can have up to ___ VE | 10 |
Sulfur can have up to ___ VE | 12 |
Prefix for 1 | Mono |
Prefix for 2 | Di |
Prefix for 3 | Tri |
Prefix for 4 | Tetra |
Prefix for 5 | Penta |
Prefix for 6 | Hexa |
Prefix for 7 | Hepta |
Prefix for 8 | Octo |
Prefix for 9 | nona |
Only include first prefix if the first has more than | 1 |
What are INTERmolecular forces | Forces BETWEEN molecules |
(London) dispersion is present in what | All molecules and atoms (most non polar) |
Dipole is present in what | Polar molecules (remember pole is in the name) |
Hydrogen is present in what | Molecules containing FON |
Adhesion is | Surface or object |
Cohesion is | Sticking to itself |