2. Fill the blanks with the most appropriate word (20 points) a) The polymer resulting from the polymerization of ethylene is called b) Two or more different monomers that polymerize together form a c) The number of atoms that a cation can accept around itself in a crystal structure is called d) are mainly made of silicon and oxygen e) In an alloy phase diagram, only temperature and composition are shown.. is consider constant at 1 atm. f) Liquidus and solidus are connected at a given temperature by the g) In a phase diagram of a binary alloy, the temperature and composition where liquid and the solid phases a and ẞ coexist is called, h) Tacticity has to do with the arrangement of lateral R groups in a i) A chemical element with a positive electrical charge is called_ j) The expression "defect structure" is used to designate the type and concentration of atomic in a ceramic.