Based on the positions of sodium (Na) and potassium (K) in the table, Tracy can predict that sodium
A. is less abundant than potassium.
B. has very different properties from those of potassium.
C. has many of the same properties as potassium.
D. is more abundant than potassium.

Assignment directions: pick one of the following chemists and perform a bit of research on him/her. answer the following questions. alice hamilton             rosalind franklin marie curie             gertrude b. elion ada yonath             henry cavendish robert boyle             antoine lavoisier mario j. molina             svante arrhenius