What is the wavelength of a photon with just enough energy to break a CCl bond? (The bond energy of the CCl bond is 331 kJ/mole.)
A) 362 nm
B) 723 nm
C) 181 nm
D) 5.46 1035 nm
E) 5.50 10-19 nm
Question 2
Electropositivity ________ from left to right within a period and ________ from top to bottom within a group.
A) decreases, increases
B) increases, increases
C) increases, decreases
D) stays the same, increases
E) increases, stays the same