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Till 20elememts write the no of electrons in outermost shell.if less than 4 then this is the valency otherwise subtract from 8
The atomic number of an element is 17. The number of orbitals containing electron pairs in its valence shell is: (1) Eight (2) Six (3) Three
Energy of orbit: (1) Increases as we move away from nucleus (2) Decreases as we move away from nucleus (3) Remains same as we move away from nucleus (4)None of the
Binary phase diagrams of two component systems are usually Two dimensional plots of temperature and composition.
what is the colour of the residue for nickel in charcoal cavity test
Q. What is Atomic emission spectra? Atomic emission spectra while atoms of an element in the gaseous phase are excited by an input of energy such as that from a high-voltage
what type of samples are to be pasted on the project of tea leaves
BRIEF DESCRIPTION ON METALS AND METALLURGY
Postulates of molecular orbital theory?
list down all the chemical properties of s- block?
PFEFFER METHOD
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