The central nervous system is derived from _____, the axial skeleton is derived from _____, and the muscles of the trunk are derived from _____?

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#Question id: 19966

#XL - P Chemistry

The electronic configuration of a dipositive ion M⁺² is 2, 8, 14 and its mass number is 56. The number of neutrons present is

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#Question id: 19967

#XL - P Chemistry

An atom has 2 K, 8 L, 11 M, 2 N electrons, the total number of s-electrons will be

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#Question id: 19968

#XL - P Chemistry

In an atom with 2K, 8L, 11M and 2N electrons the number of electrons with m= 0 ; s = + ½ are

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#Question id: 19969

#XL - P Chemistry

For a sub-shell with azimuthal quantum number l, the total values of magnetic quantum number m can be related to l as

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#Question id: 19970

#XL - P Chemistry

An orbital with = 0 is

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#Question id: 19971

#XL - P Chemistry

The units for equation are