and 7 electrons in their outermost shells.and R and determine their va

1.	and 7 electrons in their outermost shells.and R and determine their valencies.Write the molecular formula of the compound formed when P and S combine. 3Four elements P. Q. R and S belongs to the third period of the Modern PcriodicTable and have respectively 1. 3, 5Write the electronic configurations of Q
Answer» P -- Sodium (Na) Q -- Aluminium (Al)R -- Phosphorus (P)S -- Chlorine (Cl) 1) Q -- Alatomic no: 13so, e:c is 2, 8, 3. R -- Patomic no: 17so, e:c is 2, 8, 7 2) Sodium combines with Chlorine to form SodiumChloride.NaCl тнanĸ yoυ

and 7 electrons in their outermost shells.and R and determine their valencies.Write the molecular formula of the compound formed when P and S combine. 3Four elements P. Q. R and S belongs to the third period of the Modern PcriodicTable and have respectively 1. 3, 5Write the electronic configurations of Q

Answer»

P -- Sodium (Na) Q -- Aluminium (Al)R -- Phosphorus (P)S -- Chlorine (Cl)

1) Q -- Alatomic no: 13so, e:c is 2, 8, 3. R -- Patomic no: 17so, e:c is 2, 8, 7

2) Sodium combines with Chlorine to form SodiumChloride.NaCl

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