Question

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Answer 1

We are given a Bohr model of an atom . We need to fill out the table given. From the given Bohr's Atomic Model ,

• The number of electrons in the outermost shell is 3 . And the total number of electrons is 2 + 8 + 3 = 13 .
• Since the atom is neutral , it will have equal number of protons and electrons . In the nuclues there will be 13 protons. Also there are 14 neutrons.

We know that , the atomic weight is the sum of electrons and protons. Hence here ,

$\sf\dashrightarrow\boxed{ \sf A = 13 + 14 =\red{27} }$

Also , there are 2 atoms in the first shell , 8 in Second shell and three in last shell. Hence the electronic configuration will be ,

$\sf\dashrightarrow \boxed{\sf Electronic\ Configuration \ = \red{ 2, 8 , 3} }$

And , the atomic number is the total number of protons in an atom.

$\sf\dashrightarrow \boxed{\sf Z = \red{ 13}}$

Moreover , we already know the Number of electrons , protons and neutrons. Therefore final table would be ,

$\boxed{\begin{array}{c|c}\red{\underline{\sf Atomic\ Number} } & \sf 13 \\ \\ \sf \red{\underline{ \sf Number_{(protons)} }} & \sf 13</p><p>\\\\\red{\underline{ \sf Number_{(electron)} } } & \sf 13\\\\\red{\underline{ \sf Number_{(neutrons)} } } & \sf 14\\\\\red{\underline{\sf Electronic\ Configuration} } & \sf 2,8,3 \end{array}}$