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Rutherford's α particle scattering experiment proved that atom has:
(1) Electrons
(2 )Neutron
(3) Nucleus
(4 )Orbitals
Ans: Nucleus
what are the diagonal relationship between berylium and aluminium
Q. Briefly explain about Alloys? Ans. Pure metals are malleable. Metals that are harder, stronger and less malleable are sometimes required. These characteristics may be a
In lab, you're having fun along with buffers based onto a 0.1 M solution of sodium phosphate at pH7.0. Into this system, there are three of pK A s as: 12.7, 7.21 and 2.12.
In any atom which sub-shell will have the highest energy in the following : (1) 3p (2) 3d (3) 4s (4) 3s Ans: 3d
diamond is covalent.yet it has high melting point.why?
5
what is the name of this complex [Br2Pt(S Me)2PtBr2] and what is the formula of this compound pentamminecrbonato cobalt(III) tetrathiocyanato-N-zincate(II)
what is meant by abnormal molecular mass ?
The tallest living man today, as recorded, is Allam Chamna of Pakistan. He is 8 feet and 3 inches tall. What is his height in meter?
applications of polymers in electrical and electronics
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