elements X,y and z hvw atomic number . 6,9,12 i. form anoin negative ion ii. forms cation pksitive ion ii. has 4 electron in a valence shell
Answers
Answered by
0
Answer:
number which is found on the shell. 6912
Similar questions
History,
2 months ago
Physics,
2 months ago
Social Sciences,
2 months ago
Political Science,
4 months ago
Social Sciences,
9 months ago
Accountancy,
9 months ago