Question

18?How many different types of elements are involved in the reaction shown below?

Cu(SO)4 + Na2(NO)3 → Na2(SO)4 + Cu(NO)3
Group of answer choices

5

4

8

18

Answer 1

Cu, S, O, Na, N

Answer 2

Since it says elements and not polyatomics we can't consider SO4 and NO3 as their own, so you must look it through.

Answer 3

oh okay

Answer 4

so my answer is wrong it isn't 18, its 8?

Answer 5

@bill533

Answer 6

i believe so

Answer 7

okay so its 8

Answer 8

i'm a girl but thank you:)

Answer 9

oh i'm terribly sorry, let me rephrase

yes ma'am 😉

Answer 10

thats okay

Answer 11

i know but i always correct myself whether i'm talking to a boy or girl, that's why i usually ask first

Answer 12

oh okay

Answer 13

No it shouldn't be 8. It is 5. The question asks for the TYPE of elements. From that standpoint, it's only 5 - Cu, S, O, Na, and N.

Answer 14

ohh

Answer 15

oh okay thanks, are you a chemistry wiz?

Answer 16

Who?

Answer 17

you, because you've helped me understand chemistry alittle better