5.6 + 5.7 Flashcards
What are prefixes for in a covalent bond?
-indicate # of a certain atom
prefixes- 1
mono
prefixes- 2
di
prefixes- 3
tri
prefixes- 4
tetra
prefixes- 5
penta
prefixes- 6
hexa
prefixes- 7
hepta
prefixes- 8
ocata
prefixes- 9
nona
prefixes- 10
deca
electronegativity
ability of atom to attract shared electrons in bond
electronegativity of: metals nonmetals transition noble gases
metals: low electronegativity
nonmetals: high electronegativity
transition: low electronegativity
noble gases: no electronegativity values
electronegativity pattern on periodic table
increases going across
decreases going down
which element has the highest electronegativity?
fluorine
nonpolar covalent bond
equal/almost equal sharing of electrons
electronegativity of non polar covalent bonds
0-0.4
polar covalent bond
not equal sharing of electrons
electronegativity of polar covalent bonds
0.5-1.7
what happens to the polarity as the electronegativity difference increases
the polarity increases
dipole
polar covalent bond that has a slight charge
ionic bond
between metal and nonmetals
