1. Element J Atomic Mass 10.81 Melting Point 2.077 Boiling Point 3927 Density 2.08 g/cm3 Metalloid

2. Element C Atomic Mass 12.01 Good conductor

3. Element L Atomic Mass 14.01 Melting Point -210.00 Density 0.808 g/cm3

4. Element A Melting Point -218.79 Density 1.141 g/cm3 Highly Reactive Non metal High electronegativety

5. Element G Atomic Mass 19.00 Melting Point -219.67 Density 1.505 g/cm3 Most electronegative element

6. Element B Melting Point 660.32 Density 2.375 g/cm3 Metal

7. Element D Atomic Mass 28.09 Melting Point 1414 Density 2.57g/cm3

8. Element I Atomic Mass 30.97 Melting Point 44.2 Highly reactive Non metal

9. Element F Atomic Mass 32.07 Density 1.819 g/cm3 Melting Point 115.21

10. Element K Atomic Mass 35.45 Density 1.5626 g/cm3 Melting Point -101.5 3 rd highest electronegative element

11. Element H Atomic Mass 79.90 Melting Point -7.2 Reacts with metals

12. Element E Atomic Mass 78.96 Density 3.99 g/cm3 Melting Point 221 Non metal Semiconductor