EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 2 - Structure of Atom>COMEDK UGET 2015>Q 1

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IMPORTANT

Earn 100

Energy associated with the first orbit of ${He}^{+}$ is

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Important Questions on Structure of Atom

EASY

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IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 2 - Structure of Atom>COMEDK UGET 2014>Q 1

In the following sets of ions, which one is not isoelectronic with the rest of the species?

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 2 - Structure of Atom>COMEDK UGET 2014>Q 1

A

150

watt bulb emits light of wave length

6600 Å

and only

8 %

of the energy is emitted as light. How many photons are emitted by the bulb per second?

EASY

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 2 - Structure of Atom>COMEDK UGET 2014>Q 1

An orbital with

n = 3, l = 1

is designated as

MEDIUM

COMEDK UGET

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 2 - Structure of Atom>COMEDK UGET 2015>Q 1

Energy associated with the first orbit of

{He}^{+}

is