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How many ion H2- does have The H2- ion having three electrons. This can be conceived as the combination of a hydrogen atom with a hydride ion (H-). By the aufbau principle, two
The total number of valence electrons in 4.2 gm N - 3 of ion is ( N A is the Avogadro's number): (1) 1.6N A (2) 3.2N A
verify that less than 5% of the reactants have been consumed
A baseball weighs 5.19oz oz . What is the kinetic energy in joules of this baseball when it is thrown by a major-league pitcher at 93.0mph mph ?
Q. How reliable are measurements? When scientists glance at measurements they want to know how accurate as well as how precise the measurements are. Accuracy demotes to how c
what are some issues that can be discussed in the project?
isomophosis
Highest melting point would be of: (1) He (2) CsCl (3) NH 3 (4) CHCl 3 Ans: CsCl
The specific charge of proton is 9.6 X 10 6 CKG -1 then for an α-particle it will be : (1) 38.4X 10 7 Ckg -1 (2) 19.2x 10 7 Ckg -1 (3) 2.4 x 10
Q. Evolution of the Modern Atomic Model? Ans: The atomic models of Dalton, Thomson, Rutherford, and Bohr eventually evolved into the current-day Quantum Mechanical model of the
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