Answer:
The heat would flow from the hot solid to the cool solid until all temperatures are near equal.
Answer: (Chlorine-35)
Element X is Ca
Explanation:
Number of proton plus the number of electron gives the mass number.
You need to look at the electronegativity and decide wheter the difference of both of the numbers are significant enough to form a polar bond
It is 50. This is because heat goes from higher temperatures to lower and nothing else in the options is lower.
