Mark Scheme
Q1.
Q2.
Q3.
:
Q4.
Answer Acceptable Mark
answers
A description to suitable diagram in
include place of 2.8(1).5(1)
• 2.8 (in 1st and 2nd electrons in shells /
shell)(1) orbits / rings(1)
• 5 (in outer
shell)(1) (2)
Q1.
Q2.
Q3.
:
Q4.
Answer Acceptable Mark
answers
A description to suitable diagram in
include place of 2.8(1).5(1)
• 2.8 (in 1st and 2nd electrons in shells /
shell)(1) orbits / rings(1)
• 5 (in outer
shell)(1) (2)