Year :
2009
Title :
Chemistry
Exam :
WASSCE/WAEC MAY/JUNE
Paper 1 | Objectives
51 - 53 of 53 Questions
| # | Question | Ans |
|---|---|---|
| 51. |
An important medical use of nuclear radiations is A. activation analysis B. carbon dating C. radiotherapy D. tissue regeneration |
C |
| 52. |
Which of the following elements exhibits the same chemical properties as the atom \(\frac{35}{17}\)X? An element with A. atomic number 17 B. atomic number 18 C. mass number 35 D. mass number 52 |
A |
| 53. |
Which of the following noble gases has electronic structure similar to that of N in NH 3? [\(\frac{14}{7}\)N] A. 2He B. 10Ne C. 18Ar D. 36Kr |
B |
| 51. |
An important medical use of nuclear radiations is A. activation analysis B. carbon dating C. radiotherapy D. tissue regeneration |
C |
| 52. |
Which of the following elements exhibits the same chemical properties as the atom \(\frac{35}{17}\)X? An element with A. atomic number 17 B. atomic number 18 C. mass number 35 D. mass number 52 |
A |
| 53. |
Which of the following noble gases has electronic structure similar to that of N in NH 3? [\(\frac{14}{7}\)N] A. 2He B. 10Ne C. 18Ar D. 36Kr |
B |