InterviewSolution
Saved Bookmarks
| 1. |
The electronic configurations of four elements A, B, C and D are as follows: A 2, 8, 1 B 2, 8, 7 C 2, 8, 8 D 2, 4 (a) Which of these elements is a metal?(b) Which of these elements are non-metals?(c) Which two elements will combine to form an ionic bond?(d) Which two elements will combine to form a covalent bond?(e) Which element will form an anion of valency 1?(f) Which element is a noble gas? |
||||||||
Answer» The electronic configurations of four elements A, B, C and D are as follows:
(a) Which of these elements is a metal? (b) Which of these elements are non-metals? (c) Which two elements will combine to form an ionic bond? (d) Which two elements will combine to form a covalent bond? (e) Which element will form an anion of valency 1? (f) Which element is a noble gas? |
|||||||||