A. Noble gases
B. Alkali metals
C. Coinage metals
D. Gun metals
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Related Mcqs:
- Geometry of molecule will be pyramidal if the outer post shell of the central atom has___________________?
- A. 3 bond pair one lone pair B. 2 bond pair 2 lone pair C. 1 bond pair 3 lone pair D. 3 lone pair 1 bond pair...
- According to VESPR Model the geometry of molecule having 5 bond pair in outer most shell will be __________________?
- A. Triangular B. Square planner C. Trigonal bipyramidal D. Octahedral...
- The atomic radii decreases by increasing atomic number in________________?
- A. Alkali metal B. Alkaline earth metal C. Elements from Li to Ne D. Halogens...
- Which one of the following is the correct sequence according to atomic weights?
- A. Fe>Co> Ni B. Co > Ni > Fe C. Ni> Co> Fe D. Co >Fe>Ni Submitted by: Muhammad Ali Kunbhar...
- In a period the atomic radius ?
- A. Increases B. Decreases C. Remain same D. First decreases then increases...
- Molecular orbital which have higher energy than atomic orbitals is called___________________?
- A. Bonding molecular orbital B. Antibonding molecular orbital C. Hybrid orbital D. Super atomic orbital...
- Atom with higher atomic number produces X-rays of__________________?
- A. Shorter wavelength B. Larger wavelength C. X-ray not produced D. All are possible...
- The atoms of same element having same atomic number but different mass number are called____________________?
- A. Isobars B. Isomers C. Isotopes D. Isotropes...
- The number of atoms present in 21.6 gram of silver (atomic weight = 108) are same as the molecules in__________?
- A. 1.8 gram of H2O B. 12 moles of KMnO4 C. 0.6N H2SO4 D. 4.6 gram of C2H5OH Submitted by: Muhammad Ali Kunbhar...
- In a group, atomic radii increase due to successive increase of _________ ?
- A. Electronic shells B. Proton shells C. Neutron shells D. Nucleus Submitted by: Rashid Mehmood...
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