A. Mg > Sr
B. Ba > Mg
C. Lu > Ce
D. C1 > I
Related Mcqs:
- Diameter of an atom is in the order of________________?
A. 0.2m
B. 0.2mm
C. 0.2nm
D. 0.2pm - Oxidation state of an atom represents____________________?
A. Number of electrons gained
B. Number of electrons lost
C. Apparent charge in compound
D. Its vacancies - The nucleus of an atom of every element will always contain____________________?
A. neutrons
B. protons and electrons
C. protons
D. protons and neutrons - When an atom absorbs energy the lines in the spectrum will appear which are_________________?
A. Brighter
B. Darker
C. Colourless
D. Hard to locate - Atom with higher atomic number produces X-rays of__________________?
A. Shorter wavelength
B. Larger wavelength
C. X-ray not produced
D. All are possible - Centrifugal forces are balanced in atom by__________________?
A. Attractive forces
B. Repulsive force
C. Electrons
D. Neutrons - Apparent charge on atom in molecule is___________________?
A. valency
B. coordination number
C. oxidation number
D. charge number - The specie which donates electrons to central metal atom in coordination sphere is called____________________?
A. anion
B. cation
C. Ligand is positively charged
D. acid - Removal of halogen and hydrogen atom is_________________?
A. halogenation
B. dehalogenation
C. dehydrohalogenation
D. hydrohalogenation - The hybridization of nitrogen atom in pyridine is_______?
A. Sp
B. Sp2
C. Sp3
D. It is not hybridizedSubmitted by: Muhammad Ali Kunbhar