Unit 1 Flashcards
What is covalent bonding?
Intermolecular forces in between two non metals.
Intermolecular forces are..
Attractive forces between molecules.
Can fer was la attract to each other because…
They both have +ve snd -ve forces that cause a weak attraction.
Dipole forces ??? S PNC
Strong electronegativity
Positive and negative chargers.
What is electronegativity?
Likelihood of atoms to attract to electrons.
Non-polar molecules are… scared of…
Hydrophobic (fear water)
Polar molecules are and like
Hydrophilic (like water)
What molecules like water?
Polar ——Hydrophilic
What molecules don’t like water?
Non polar ——- hydrophobic
What can both like and not like water?
Lipids
What is usually non polar?
Carbons and hydrogens
What’s is polar? A thing?
Water
Does polar have a charge?
Yes + and -
Charge of covalent?
None.
Properties of water
Density
Surface tension
Capillary action
High boiling and low melting point
