I think the answer is:
B. Chemical Change.
Answer:
Explanation:
Molar mass of Ca(Cn)2 = 92. 11 mol/g
A calcium atom has 20 protons!
There you go! I really hope this helped, if there’s anything just let me know! ☻
Answer
- A
- D
- D
- A
- B
- A
This is what I got, but i'm mot sure if I'm right
<span>Step one Define the problem. Step two </span>Generate alternative solutions. Step three Evaluate and select an a. Hope this helped you!<span />
