Question 1
Consider the following orbital diagram:
↑↓ ↑↓ ↑↓↑↓↑↓ ↑↓ ↑↓↑↑_
1s 2s 2p 3s 3p
This diagram corresponds to the element __________.
◦
P◦
Si◦
S◦
Se◦
ClQuestion 2
Consider the following orderings.
I. | Na+< Mg2+< Al3+< Si4+ |
II. | Be < Mg < Ca < Sr |
III. | I < Br < Cl < F |
IV. | Al < Si < P < Cl |
Which of these give(s) a correct trend in ionization energy?
◦
III◦
II, IV◦
I, IV◦
I, III, IV◦
none of them