27th Dec Atomic Structure Quiz 2 – Punjab Meritorious School Preparation Portal

Welcome to your 27th Dec Atomic Structure Quiz 2 CBT TEST

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Larger the value of n, the larger is the orbit radius.

Equation can be used to calculate the change in energy when the electron changes orbit.

For n = 1, the electron has a more negative energy than it does for n = 6 which mean that the electron is more loosely bound in the smallest allowed orbit.

The negative sign in equation simply means that the energy or electron bound to the nucleus is lower than it would be if the electrons were at the infinite distance from the nucleus.

Be²⁺ is isoelectronic with which of the following ions?

Maximum number of electrons in a subshell of an atom is determined by the following:

The value of Planck's constant is 6.63 x 10^-34 Js. The speed of light is 3 x 10¹⁷ nm s¹. Which value is closest to the wavelength in nanometer of a quantum of light with frequency of 6 x 10¹⁵ s¹?