Module 1

Uscita

Domanda 1 of 1

  Tempo Rimasto


0
170881
0
300
block

Helium Atom

Compila gli spazi vuoti  

(0/0)





Chemical Symbol:

Atomic Number:

Atomic Mass:

Proton Charge:

Proton Mass:

Neutron Charge:

Neutron Mass:

Electron Charge:

Electron Mass:



170882
0
300
none
170883
0
300
none
170884
0
300
none
170885
0
300
none
170886
0
300
none
170887
0
300
none
170888
0
300
none
170889
0
300
none
170890
0
300
none
170891
0
300
none
170892
0
300
none