TRUE or FALSE? (Write T or F in the space provided) 1. Given that Na has one ele

Question

TRUE or FALSE? (Write T or F in the space provided)                                                 

1. Given that Na has one electron in its outermost shell while F has seven electrons in its outermost shell, it may be stated that Na is an electropositive element while F is an electronegative element.  (     )

2. Metallic and ionic bonds are non-directional while covalent bonds are directional.                      (     )

3. Density of a foam material depends on the wall thickness and size of its foam cells.                   (     )

4. BCC structure is more densely packed than the HCP structure.                                                    (     )

5. The anion

Explanation / Answer

1. T

2. T

3. T

4. F

5. T

6. F

7. F

8. T

9. F

10. F

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