Answer:
electron configuration for boron is 1s22s22p1
hope this helps :)
Explanation:
Answer:
The two that are true are, "this represents a pure compound in two different states" and "it represents a mixture a solid and a gas".
Explanation:
This two are concluded only from the picture and the use of uniform colors throughout the picture (Showing the same element).
Rain bc it’s hot then cools
The reddish brown powder consist of copper ions(when mixed in H2O ) which conduct electricity.