SAT Subject Test Chemistry,10 edition

10 . Which of the following elements is most electronegative?

(A) S

(B) Cl

(C) Na

(D) Mg

(E) P

11 . Transition metal compounds generally exhibit bright colors because

(A) the electrons   in  the partially   filled  d   orbitals    are easily  promoted    to  excited states

(B) the metals  become  complexed   in  water

(C) the metals  conduct electricity,    producing   colored light

(D) the electrons   in  the d   orbitals    emit    energy  as  they    relax

(E) their   valence electrons   cause   them    to  bind    to  other   metals

12 . Identify the following elements as metal, nonmetal, or semimetal (metalloid):

(A) Fr

(B) Pd

(C) I

(D) B

(E) Sc