An element has atomic number 10 and an atomic mass of 20. how many neutrons are in the atom of this element?
a.
10
b.
20
c.
30
d.
0
e.
200

answer; economic order quantity;

the electrical  conductivity  of asolution  of an electrolyte is measured by determining the resistance of thesolution  between two flat or cylindrical electrodes separated by a fixed distance.

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hurricanes form when warm, moist air from the ocean surface quickly rises into the atmosphere and forms storm clouds and rain. when the clouds are formed, heat is released which warms the cool air in the upper regions of the atmosphere so that the cycle can continue. which two phases of the water cycle are repeated in this process?