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This among the following elements has the tendency to form covalent compounds:
(1) Ba
(2) Be
(3) Mg
(4) Ca
Ans: Be
The α -particle scattering experiment of Rutherford concluded that: (1) The nucleus is made up of protons and neutrons (2) The number of electrons is exactly equal to number
what are the precedure of dillution and dissolution
Fe+ AgNO3-->Fe(NO3)2 + Ag
Both of the MOs have the nodes of the original 2p orbitals, which merge into a one node because the nodal plane is common to both orbitals. The antibonding MO has in addition a
Q. Describe about Nuclei and Radioactive Decay? Dalton consideration that atoms were unchangeable. But scientists in the late nineteenth century began to notice that some eleme
why is electron gain enthalpy of oxygen greater than sulphur?
The Fermi level is The highest occupied energy level at 0 0 K.
how they occured
How is ethane gas is preparec in the lab?
why nitrogen act as inert gas
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