Chemistry MCQs

Page No. 83

In a group ionic radius ?


aIncreases


bDecreases


cNo change


dVariable trend


View Answer Increases

An atom loses or gains electrons to__________________?


aGain stability


bForm a bond


cComplete its outermost shell


dall are accurate justifications



Energy of atom in compound is___________________?


aHigher than individual


bLesser than individual


cNo change


dImpossible to predict



Which of the following have their outer most shell complete in atomic form ?


aNoble gases


bAlkali metals


cCoinage metals


dGun metals


View Answer Noble gases

Which one shows high %age of the ionic character ?


aH2O


bHF


cHCl


dHBr


View Answer HF

Molecular orbitals are filled according to _________________?


aAuf bau principle


bHunds rule


cPaulis Exclusion principle


dAll these


View Answer All these

Which one has maximum number of unpaired electrons ?


a6X


b7Y


c9Z


d13W


View Answer 7Y

Shielding effect across the period ________________?


aIncreases


bDecreases


cConstant


dNone


View Answer Constant

Which of the solid does not contain covalent bond________________?


aCopper


bIce


cdiamond


dgraphite


View Answer Copper

Which of the following will have highest value of electron affinity_________________?


aF


bCl


cBr


dI


View Answer Cl

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