midterm exam Flashcards
(25 cards)
physical property affected by the crystal lattice of an ionic compound
boiling point
melting point
hardness
if an ionic bonds occur between metal and non- metal oxygen ______ are formed
oxide
most other ionic compounds are called ____
salts
what forms if an ionic solid is dissolved in a solutions so that the ions are free to move and conduct an electric current
electrolyte
KmnO4
permanganate
(NH4)2O
ammonium oxide
clouds of what determine the atomic radius?
Electrons
types of bonds between atoms
covalent, ionic, metallic
what is a bond character
strong ionic
electronegativity _____ determines bond character
difference
two or more elements that are chemically combined
compound
electrons are involved in chemical reactions
valence
when electrons are ____ ionic compounds are formed
transferred
elements are becoming ____ when there are full outer shells with electrons
stable
in covalent bonding, electron pairs are ____ between non-metal atoms
shared
all atoms in a compound except for H and He will have eight outer- shell electrons
octet rule
the amount of energy required to remove an electron from an atom
ionization energy
do not have electronegative values (filled valence shells)
noble gases
what has the highest electronegative value
fluorine
what becomes less when atomic radii get larger and become more when they get smaller
electronegativity and ionization energy
what is the most reactive non-metal
flourine
what is the most reactive metal?
Francium
what changes will cause changes in phase
kinetic
resistance to liquid flow is called
viscosity
