They will most likey group with the second group. Since they have 6 electrons and want to have a full outer shell so therefore would group with the second group.
Option d: copper.
Because copper is an element, not a mixture.
Answer:
A:temperature
Explanation:
The temperature cannot be determined by looking at the spectra of the star due to lack of the equipment for its measurement. <em>On the other-hand, the remaining statements like the distance from earth, movement towards or away from earth can be determined.</em>
Answer:
The answer you are looking for is A