The macromolecular colloids a) consists of aggregates of atom or molecules which generally have diameter less than 1nm.
b) have usual lyophobic character
c) have molecules which are flexible and can take any shape
d) have molecules containing both lyophilic and lyophobic groups.
[It has more than one correct answer]

Can someone me with questions 12 and 13 plz.

Classify this reaction: 2al+n2-> aln.

Vi limitens. vastery test select the correct answer. which statement explains why large atoms are more reactive than small atoms? a. large atoms have valence electrons farther from the nucleus and lose them more readily. b. large atoms have greater ionization energy, which they can utilize during a reaction. c. large atoms have a greater number of electrons that they can lose during a reaction. d. large atoms have more energy levels, so they have more energy to pass on in a reaction. reset next