How are the particles arranged in an amorphous solid? A. in hollow, ball-shaped groups of 60 or 70

B. randomly, without an ordered internal structure

C. in flat, widely-spaced sheets or layers

D. in an orderly, repeated, three-dimensional pattern

The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of tthe table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

Which material burns faster? metal aluminum

The fact that the total amount of energy in a system remains constant is a(n)