fill in the chart
Element Atomic number Atomic radius (pm) Effective nuclear charge (Zeff)
Sodium 186 90
Magnesium 160 109
Aluminum 143 130
Silicon 111 138
Phosphorous 107 150
Sulfur 100 163
Chlorine 98 180
Argon 94 195
Element Atomic number Atomic radius (pm) Effective nuclear charge (Zeff)
Sodium 11 186 90
Magnesium 12 160 109
Aluminum 13 143 130
Silicon 14 111 138
Phosphorus 15 107 150
Sulfur 16 100 163
Chlorine 17 98 180
Argon 18 94 195