Which of the following always increases on going from top to bottom in a group ?

Related Mcqs:

Elements in the same vertical group of the periodic table have same_______________?

A. Number of valence electrons B. Atomic number C. Atomic mass D. Atomic volume...

Best position of hydrogen in the periodic table is above I.A Group which is mainly due to_______________?

A. Both are electropositive B. Similar outer most shell electronic configuration C. Both form ionic compounds D. All...

Which of the following cannot exist in solution_________________?

A. O-2 B. H+ C. Cl- D. Na+...

Hydrogen resembles with carbon because of having________________?

A. Same number of electrons in the valence shell B. Similar physical state C. Remarkable reducing properties D. Homovalent (show same valency)...

Keeping in view the size of atom which order is correct one ?

A. Mg > Sr B. Ba > Mg C. Lu > Ce D. C1 > I...