Response: The ground condition and psyched point out outer electronic configurations of phosphorus (Z = fifteen) are:
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II. Gentle ray suffers refraction at the point of incidence and at The purpose of emergence though passing through the prism.
Given down below is usually a jumbled sequence of the various portions of the human alimentary canal. Rewrite them in correct sequence.
A university student traces The trail of the ray of sunshine through a glass prism for various angles of incidence. He analyses Just about every diagram and attracts the next conclusion:
Rationale. This is due to steady raises in the amount of electronic shells or orbit quantities within the framework of atoms of the elements down a bunch.
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Issue one. What is the reason for periodicity in Attributes of the elements? Make clear with two examples.
Micro-chemical approaches are offered for a number of of the practical experiments, anywhere feasible such strategies ought to be made use of.
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IV. Even though rising within the prism at the second area, the angle of refraction is fewer than the angle of incidence at that surface.
Problem six. Publish the atomic range of the component current from the 3rd period and seventeenth group from the periodic table.