PERIODIC CLASSIFICATION RT

The elements which does not make salt like hydride is

• Na

• Ca

• K

• Si

Which is not interstitial hydride?

• LaH

• VH

• TaH

• None

From 39 Y to, 48 Cd are called

• Transition elements

• Outer transition elements

• Inner transition elements

• 3rd transition series 

The unit of ionization energy is usually taken as

• J

• Cal

• E.V

• None

Elements in the same family have

• Same atomic number

• molecular wt same

• Same chemical properties

• same electronic configuration

Which of the following is a transition element  

• Zr

• Ru

• Rh

• All

All the elements belonging to the 2nd period are

• Typical elements

• transition elements 

• stable elements

• halogens

Excluding He and H the smallest element in periodic table is

• Li

• F

• Cs

• I

The structure of complex hydrides is

• Tetrahedral

• Trigonal

• Octahedral

• Square planer

The laws of chemical combination are not obeyed by

• Ionic hydride

• Increases  

• Complex hydrides

• Interstitial hydride