Some help with these would be much appreciated
4. In which orbital block are the valence electrons of gallium (Ga) located? Consult the
periodic table and the block table in this lesson.
p
d
s
5. In which orbital block will you find the element with electrically neutral atom and electron configuration of 1s2 2s2 2p6? Hint: you do not need a periodic table
f
d
s
p