Answer: Is this like a question cause that is what u think
Explanation:
Mostly soil rock with a very thin layer of soil on top.
To separate off different products in order of their boiling points. You do it by a process of heating and cooling in a horizontal condenser usually.
Answer:
29.22 g NaCl
Explanation:
0.5 mol NaCl x (58.44 g NaCl / 1 mol NaCl)
= 29.22 g NaCl
The elements are electrically neutral, this is they have the same amount of positive as negative charge.
Electrons and protons have each the same amount of charge but different sign. Eletrons are negative and protons are positive.
Then to be neutral, the number of electrons must be equal to the number of protons. This mean that the element must have 12 electrons.
Answer: 12.