SSC Chemistry English Version
Chapter: 04
Full Time: 40 Minutes Class Test Full Marks: 25
Creative Part – 20
Group 1 | Group 2 | Group 6 | Group 16 | Group 17 |
A | C | |||
B | D | E |
The atomic number of A, B, C, D, E are respectively 3, 12, 6, 16 and 17.
- a) What is the modern periodic law?
- b) “C” never creates an ionic bond-why?
- c) Compare the electronegativity of these elements.
- d) Compare the size of the stem elements.