What is the valency of phosphorus with atomic number 15?
Arrange the following metals in the decreasing order of reactivity: Na, K, Cu, Ag.
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ANSWER :
▶️Valency of phosphorus with atomic number 15 is 3.
▶️decreasing order of reactivity: K > Na > Cu > Ag
mealone:
valency of the phosphorous is 5 and the decreasing order of reactivity are K>Na>Cu>Ag
Nope valency is 3
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Explanation:
Valency of phosphorous with atomic number 15 is 3
Metals is decreasing order of reactivity:-
K>Na>Cu>Ag.
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