I believe the answer is the poles of the magnet.
Answer:
1s22s22p63s1 is the electronic configuration of sodium.
Explanation:
The awnser is central canal the third one
Answer:
A calorimeter is an apparatus for measuring the amount of heat involved in a chemical reaction or other process.
Because size of an atom INCREASES from top to bottom and DECREASES from left to right on the periodic table. If to elements are in the same period they can't increase in size based on the up or down trend. Instead, notice that Alkali Metals are LEFT of Alkaline Earth Metals. Therefore, the Alkali Metal will be larger than the Alkaline Earth Metals.
