Can you check to see if I'm correct?

Question

Which of these substances are elements?
a. silicone
b. quartz
c. iodine
d. water
e. silicon
f. lead

is the answer: c, e, and f?

Answer 1

silicon is an element but silicone is not - misspelled or trick question

quartz is a chemical compound ( SiO4 ) not an element

iodine is an element like other halogens

water is H2O, a compound not an element

silicon is an element as I said above

lead is an element of course Pb

Answer 2

Lead
Silicon
Iodine