A. Na K
B. Mg Ca
C. Li Na
D. Li Ca
A. Small sized metal ions
B. Absorption of light in UV region
C. Complete ns sub-shell
D. Incomplete (n-1) d sub-shell
A. Low electronegativity
B. Low electropositivity
C. Low charge density
D. Not known yet
A. Propanoic acid
B. Acetic acid
C. Phthalic acid
D. Butanoic acid
A. Super saturated solution
B. unsaturated solution
C. saturated solution
D. dilute solution
A. Same number of electrons in the valence shell
B. Similar physical state
C. Remarkable reducing properties
D. Homovalent (show same valency)
A. B
B. C
C. N
D. O