Electrical conduction
Sonorous in nature
dullness
ductulity
Solid
Liquid
Gas
Vapour
Glycolic Acid
Lactic Acid
Citrus Acid
Tartaric Acid
the number of electrons in one atom
the number of neutrons in one atom
the valency of the element
the number of protons in one atom
they are all metallic elements
they have similar electronic configuration
atomic number increases on moving down the group
None of these