<span>The electronic configuration of cobalt is :1s2 2s2 2p6 3s2 3p6 3d7 4s2 </span>
Radium and polonium is the answer to this question. I hope I helped out!
Calcium Chloride because it is a type 1 so the the anion ends with -ide
Answer:
C
Explanation:
I picked C because the plant is interacting with the sun which is a nonliving part of the environment.
A, B and D are wrong because seaweed, horses, and trees are living things.
