False. mixtures dont have specific ratios
Because a copper ion looses electrons, meaning it's negatively charged, and positives and negatives attract.
I'm pretty sure your answer should be CaCl2. Hope this helps! =^-^= (if I need to explain more just let me know.)
In general, a scientific law is the description of an observed phenomenon. It doesn't explain why the phenomenon exists or what causes it. The explanation of a phenomenon is called a scientific theory.
so the third one should be correct.
Wait whAttt I dont get this at all