A website by Leon Dudhill
Correct0
Total0
Accuracy—
Mastered0
Quick Reference
Group = column = outer electrons
Period = row = number of shells
Group 0 = Noble Gases
Group 1 = Alkali Metals
Group 7 = Halogens
—
GROUP
Enable a level to begin
Score
Correct / Total
0/0
Accuracy
—
Mastered (0)
None yet