Question

EASY QUESTION IS SCIENCE PLEASE HELP.
A student says that all pure substances are elements. Do you agree? Why or why not?


A student says that all pure substances are elements. Do you agree? Why or why not?


I agree. Pure substances include only single atoms made of one element.

I disagree. Elements are not pure substances. All pure substances include only molecules and compounds, which are more complex.

I disagree. Elements form all pure substances, but some pure substances include elements bonded together to form molecules and compounds.

I disagree. All pure substances are also mixtures.

Answer 1

A student says that all pure substances are elements. Do you agree? Why or why not?

i don't. pure substances include elements, compounds and crystals. they would've been correct if they stated all elements were pure substances.

or

I disagree. Elements form all pure substances, but some pure substances include elements bonded together to form molecules and compounds.