The electron configuration represents an element in what category?
A) noble gas
B) Group A elements
C) transition metals
D) inner transition metals
1s22s22p63s23p64s23d1
What is the volume of 1.0 mole of hydrogen gas at standard temperature and pressure?
A) 5.5 L
B) 11 L
C) 22 L
D) 44 L