If 2.01 × 10^23 atoms of an element from Group IA of the periodic table has a mass of 7.675 grams, this element is most likely:
A) Li.
B) Na.
C) K.
D) Rb.
E) Cs.
Answer: B
If 2.01 × 10^23 atoms of an element from Group IA of the periodic table has a mass of 7.675 grams, this element is most likely:
A) Li.
B) Na.
C) K.
D) Rb.
E) Cs.