valence

Question 1

koji su alkalni metali i koju valencu imaju

Answer 1

Li,Na,Ka,Rb,Cs,Fr Valenca I

Question 2

koji su zemnoalkalni metali i koju valencu imaju

Answer 2

Be,Mg,Ca,Sr,Ba,Ra, Valenca II

Question 3

I

Answer 3

H,Li,Na,Ka,F

Question 4

II

Answer 4

Mg,Ca,Ba,Zn,O,Cd

Question 5

III

Answer 5

Al,Ga

Question 6

I,II

Answer 6

Cu,Hg

Question 7

II,III

Answer 7

Fe

Question 8

II,IV

Answer 8

C,Pb,Sn

Question 9

III,V

Answer 9

Bi

Question 10

II,IV,VI

Answer 10

S

Question 11

Cl,Br,I

Answer 11

I,III,V,VII

Question 12

N

Answer 12

I,II,III,IV,V