In which of the following sequences of elements does each of the elements have a two-letter chemical symbol?
A) barium, iron, nitrogen
B) selenium, nickel, strontium
C) silicon, zinc, hydrogen
D) iodine, xenon, titantium

Question

Quizplus · Accepted Answer

The chemical symbols for the elements in sequence B are Se (selenium), Ni (nickel), and Sr (strontium), each of which has a two-letter chemical symbol. The other sequences have at least one element with a one-letter symbol (Fe for iron in A, N for nitrogen in A, Zn for zinc in C, H for hydrogen in C, I for iodine in D, and Xe for xenon in D) or a longer symbol (Ti for titanium in D).

In Which of the Following Sequences of Elements Does Each