Question

Help please!
Which of the following is true for compounds?

A.They can consist of no more than two types of elements.
B. They can be created by chemical reactions.
C. They all have the same properties regardless of their elemental composition.
D.They can be separated into their component elements through physical means.

Answer 1

@Jonathan1997 help please :)

Answer 2

I think it is D man :D

Answer 3

umm thats wrong anything else you could guess?

Answer 4

Well, i know they are substanes

Answer 5

i say it is a

Answer 6

b

Answer 7

It's B. They can be created by chemical reactions.