Question 1
Select basic oxide from the choices given.
◦ CaO
◦ SiO
2◦ CO
2◦ P
4O
6◦ H
2O
2Question 2
The bond energy of F
2 is unusually low, in comparison with the other halogens, due to the small size of the fluorine atom. Which of the following periodic properties is also unusually low in the case of fluorine?
◦ first ionization energy
◦ electron affinity
◦ electronegativity
◦ diatomic bond length
◦ ionic radius