The number of nodal surfaces passing through the nucleus of 2s orbitals has to be identified. Concept introduction: Nodal surfaces: the surface which passing through nucleus where there is zero chance of finding electrons. The values of l (azimuthal quantum number) when the principal quantum number is n are from 0 to ( n − 1 ) . Each value of l indicates subshell and for l = 0 , 2 and 3 represents s, d and f subshells.
The number of nodal surfaces passing through the nucleus of 2s orbitals has to be identified. Concept introduction: Nodal surfaces: the surface which passing through nucleus where there is zero chance of finding electrons. The values of l (azimuthal quantum number) when the principal quantum number is n are from 0 to ( n − 1 ) . Each value of l indicates subshell and for l = 0 , 2 and 3 represents s, d and f subshells.
Solution Summary: The author explains the number of nodal surfaces passing through the nucleus of 2s orbitals.
Interpretation: The number of nodal surfaces passing through the nucleus of 2s orbitals has to be identified.
Concept introduction:
Nodal surfaces: the surface which passing through nucleus where there is zero chance of finding electrons.
The values of l (azimuthal quantum number) when the principal quantum number is n are from 0 to (n−1). Each value of l indicates subshell and for l=0,2 and 3 represents s, d and f subshells.
(b)
Interpretation Introduction
Interpretation: The number of nodal surfaces passing through the nucleus of 5d orbitals has to be identified.
Concept introduction:
Nodal surfaces: the surface which passing through nucleus where there is zero chance of finding electrons.
The values of l (azimuthal quantum number) when the principal quantum number is n are from 0 to (n−1). Each value of l indicates subshell and for l=0,2 and 3 represents s, d and f subshells.
(c)
Interpretation Introduction
Interpretation: The number of nodal surfaces passing through the nucleus of 5f orbitals is to be identified.
Concept introduction:
Nodal surfaces: the surface which passing through nucleus where there is zero chance of finding electrons.
The values of l (azimuthal quantum number) when the principal quantum number is n are from 0 to (n−1). Each value of l indicates subshell and for l=0,2 and 3 represents s, d and f subshells.
Use the expression below to
⚫ calculate its value and report it to the proper number of significant digits (you may need to
round your answer).
⚫ calculate the % error (or % relative error or % inherent error)
⚫ calculate the absolute error.
(20.54±0.02 × 0.254±0.003) / (3.21±0.05) =
Value:
% Error:
Absolute error: ± |
% (only 1 significant digit)
(only 1 significant digit)
In each case (more ductile, more brittle, more tough or resistant), indicate which parameter has a larger value.
parameter Elastic limit Tensile strength
more ductile
Strain at break Strength Elastic modulus
more fragile
more tough or resistant
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