An element X(atomic number 20) reacts and an element Y (atomic number 17).i. Where in the periodic table are elements X and Y placed?ii. Identify X & Y. iii. Classify X and Y as metal (s) &non-metal(s) iv. What will be the nature of the oxide of element X(acidic / basic)?v. What will be the formula of the compound formed between them

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.

you did not give any options thus this is the best answer i can give to you with this little information you have given

> they are both natural and not man made

> they can be tracked and predicted by the right tools

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