Question

Question: Complete the following table.

Short answer

Answer

Table can be filled by finding protons, neutrons and electrons.

Step-by-step solution

Subatomic particles

The subatomic particles are protons, neutrons and electrons which is present in the atoms of every element. These are present in the nucleus and the electrons are revolving around the nucleus.

Atomic and mass number

The proton number which is present in the nucleus of the atom is called atomic number. The total number of neutrons and protons in nucleus are called mass number. The expression can be expressed as,

$\text{Number} \text{of} \text{neutrons} \text{in} {}_{\text{Z}}{}^{\text{A}}\text{X}=\text{A}-\text{Z}$

Electron number for the cation and anion

The electron number and proton number are equal. The electron number can be expressed as,

$\text{Number} \text{of} \text{electrons} \text{in} {}_{\text{Z}}{}^{\text{A}}{\text{X}}^{\text{n +}}=\text{Z}-\text{n}$

But in the anion,$\text{Number} \text{of} \text{electrons} \text{in} {}_{\text{Z}}{}^{\text{A}}{\text{X}}^{\text{n +}}=\text{Z}-\text{n}$

Completion of table

The table can be filled as,