It would be Atom 2 because the proton and neutron are both nine and the election is 8 which is -1 to nine <span />
I just took a test with this question and got the answer wrong for saying ethane. The correct answer is propane.
Answer: Pigment.
Explanation: Our hair color is determined by two types of pigment, Eumelanins, and Pheomelanins. Which together produces all the natural hair colors we see every day with other people.
Answer:
b. 4/3
Explanation:
Given data
- Final pressure: P₂ = 3 P₁
- Final temperature: T₂ = 4 T₁
We can find by what factor will the volume of the sample change using the combined gas law.

I’m almost sure it’s D but i could be wrong