memorising diatomic elements/ which is the anode or cathode/ anion vs cation / empirical formulas

Question 1

all diatomic elements

Answer 1

HNOF then down

i.e. hydrogen, nitrogen, oxygen, fluorine and down group 7

Question 2

Cathode or Anode is negative?

Answer 2

PANIC - positive anode negative is cathode

Question 3

Cation and Anion

Answer 3

opposite of cathode and anode

Question 4

nitrIDE

Answer 4

N^3-

Question 5

nitrATE

Answer 5

NO3-

Question 6

sulfIDE

Answer 6

SO4^2-

Question 7

carbonATE

Answer 7

CO3^2-

Question 8

hydroxIDE

Answer 8

OH-