8. For which element are the group number and the period number the same?
A. Li
B. Be
C. B
D. Mg
Answers
Answered by
1
Answer:
Yes, it exists in the Iewland's octave. It is Li, Na and
Similar questions
Social Sciences,
1 month ago
Physics,
1 month ago
Hindi,
1 month ago
English,
2 months ago
Math,
9 months ago
Accountancy,
9 months ago