A. Isobars
B. Isomers
C. Isotopes
D. Isotropes
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Related Mcqs:
- Halides in which halogen atoms act as a bridge between two atoms of the other element are called___________________?
- A. Covalent halides B. Electronegative halides C. Polymeric halides D. Polymeric hydrides...
- The atomic number of an element having maximum number of unpaired electrons in p-subshell is_______________?
- A. 7 B. 10 C. 12 D. 16...
- When the atoms of third layer are arranged in such a way that they directly lie above the atoms of first layer then this arrangement is called_________________?
- A. ABAB (hexagonal) B. ABCABC (Cubic) C. Orthor hombic D. Rhombohedral...
- Compound containing two halogen atoms on two adjacent carbon atoms are called as ___________?
- A. Glycols B. Vicinal dihalides C. Geminal dihalides D. Diols Submitted by: Aamir khan Hullio...
- 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...
- The atomic radii decreases by increasing atomic number in________________?
- A. Alkali metal B. Alkaline earth metal C. Elements from Li to Ne D. Halogens...
- The number of isotopes of elements with even mass number and even atomic number are ________________?
- A. 280 B. 300 C. 154 D. 54...
- Atomic mass of an atom is present in the __________?
- A. Shell B. Orbit C. Nucleus D. Orbital Submitted by: Aamir khan Hullio...
- Atomic orbits having same energy are called________________?
- A. Degenerate orbitals B. Bonding molecular orbitals C. Anti bonding molecular orbitals D. Half filled orbitals...
- Many properties of an element and its compounds can be predicted from the position of the element in the periodic table. What property could not be predicted in this way ?
- A. The nature of its oxides B. The charge on its ions C. The formula of its oxide D. Its number of isotopes...
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