Na, Ba, Cs and Ni are metals.
The answer is C. A, B, and C would depend on what type of electron it is.
Answer:
B
Explanation:
Biodiversity matches up with the themes of 'ecosystem <u>diversity</u>, species <u>diversity</u>, genetic <u>diversity</u>'
Answer:
i think the answer is D. energy
Explanation:
Explanation:
To form bonds with noble gases, a lot of energy is required to form those bonds. Halogens, on the other hand, are extremely reactive. ... The halogens tend to be very reactive, while the noble gases are in no way reactive and don't bond easily, if at all.