CHEM BRAIN

Which increases down the group for Alkali metals NUMS2021

If first ionization enthalpies of element X and Y are 419KJmol-1 and 590KJmol-1 respectively and second ionization energies of X and Y are 3060KJmol-1 and 1145KJmol-1 respectively re-NEET2022

the correct statement is 

Ionization energy decreases down the group from top to bottom due to MDCAT2019

Oxidation number of particular element can be directly or indirectly inferred from its: MDCAT2019 

The following sketch show the variation in a physical property of third period elements against their number MDCAT2018

What physical property is plotted in this sketch ? 

In the period 2 and period 3 maximum melting point shown by elements MDCAT2018

Down the group acid-base behavior of metallic oxide of the group 2 elements changes to MDCAT2018

Ionic radius along the period is decreases due to MDCAT2017

The following sketch shows the melting point of eight elements with consecutive atomic number numbers. Which element is silicon?  MDCAT2017

Following graph shows a physical property along the period 3 elements. which physical property is MDCAT2017

The ionic radius of the fluoride ion is MDCAT2016

Which one of the following will have the smallest radius ? MDCAT2015

Keeping in view the size of atoms, which order is correct? MDCAT2015 

The trend in melting points of the elements of 3rd period are depicted in figure below MDCAT2014

The sharp decrease from 'Si'' to ''P'' is due to   

Arrange the following elements according to the trend of ionization energies C, N, Ne and B MDCAT2014

What is the trend of melting and boiling points of the elements of short period as we move from left to right in a periodic table MDCAT2013

Along a period atomic radius decreases. This gradual decrease in radius is due to MDCAT2013

More  ionization energy of an element MDCAT2012

The element for which the value of ionization energy is low can MDCAT2011

Energy required to remove an electron from gaseous neutral atom is MDCAT2010