How good are you in the Periodic table?

Exit

Question 1 of 1

  Time Left


0
1792
0
120
block

Put Selenium to Krypton

Match the text (click and drag)   

(0/0)




Match the Text

1

2

3

Click and drag

Bromine

Selenium

Krypton


1793
0
120
none
1803
0
120
none
1804
0
120
none
1782
0
120
none
1783
0
120
none
1784
0
120
none
1785
0
120
none
1786
0
120
none
1787
0
120
none
1788
0
120
none
1789
0
120
none
1790
0
120
none
1791
0
120
none