Grupos: 1, 2, 13 y 14

Question 1

Grup 1

Answer 1

Hidrogen (H), Liti (Li), Sodi (Na), Potassi (K), Rubidi (Rb), Cesi (Cs), Franci (Fr).

Question 2

Grup 2

Answer 2

Beril·li (Be), Magnesi (Mg), Calci (Ca), Estronci (Sr), Bari (Ba), Radi (Ra):

Question 3

Grup 13

Answer 3

Bor (B), Alumini (Al), Gal·li (Ga), Indi (In), Tali (Tl)

Question 4

Grup 14

Answer 4

Carboni (C), Silici (Si), Germani (Ge), Estany (Sn), Plom (Pb)