New Activity
Play Crossword Puzzle
1 Be, Mg, Ca, Sr, Ba, Ra
2 N, P, As, Sb, Bi
3 C, Si, Ge, Sn, Pb
4 Li, Na, K, Rb, Cs, Fr
5 O,S, Se, Te, Po
6 F, Cl, Br, I, At
7 Elementos que pertenecen al Grupo A
8 B, Al, Ga, In, Tl
5
2
7
6
3
1
4
8