Answer is A
All elements on the periodic table have a different number of protons that can be represented by its atomic number
Dipole-dipole interactions, and London dispersion interactions
Altitude is the reason why the temprature is different.
Steel is an alloy and consists of more than one element (mainly iron and carbon), therefore steel is a mixture.
Answer:
2 KOH(aq) + CuCl2(aq) = 2 KCl(s) + Cu(OH)2
Explanation:
