Answer: from the hotter surface to the colder one
Explanation:
Answer:
Chlorine atoms are smaller
Explanation:
Magnesium have more electrons than chlorine.
The way to work out formula units is to do the amount of moles (in this case 25) times by 6.022 x 10^23. so, the answer is 1.5055 x 10^25 formula units. hope this helps! (by the way ^ represents ‘to the power of’ because i cant get the smaller symbols on here)
