ilk 20 element ve atom numaralarını yazarmısınız sembolleriyle



Sagot :

Hidrojen                           (H) Helyum                              (He) Lityum                               (Li) Berilyum                            (Be) Bor                                    (B) Karbon                              (C) Azot                                 (N) Oksijen                             (O) Flor                                   (F) Neon                                 (Ne) Sodyum                             (Na) Magnezyum                       (Mg) Alüminyum                         (Al) Silisyum                            (Si) Fosfor                               (P) Kükürt                               (S) Klor                                   (Cl) Argon                                (Ar) Potasyum                           (K) Kalsiyum                            (Ca)  
Atom NumarasıİsmiSembolüAtom KütlesiGrubuPeriyodu1 Hidrojen H 1.00794(7) 1 1 2 Helyum He 4.002602(2) 18 1 3 Lityum Li 6.941(2) 1 2 4 Berilyum Be 9.012182(3) 2 2 5 Bor B 10.811(7) 13 2 6 Karbon C 12.0107(8) 14 2 7 Azot N 14.0067(2) 15 2 8 Oksijen O 15.9994(3) 16 2 9 Flor F 18.9984032(5) 17 2 10 Neon Ne 20.1797(6) 18 2 11 Sodyum (Natrium) Na 22.98976928(2) 1 3 12 Magnezyum Mg 24.3050(6) 2 3 13 Alüminyum Al 26.9815386(8) 13 3 14 Silis Si 28.0855(3) 14 3 15 Fosfor P 30.973762(2) 15 3 16 Kükürt S 32.065(5) 16 3 17 Klor Cl 35.453(2) 17 3 19 Potasyum (Kalium) K 39.0983(1) 1 4 18 Argon Ar 39.948(1) 18 3 20 Kalsiyum Ca 40.078(4) 2 4