faithlessbuthopeful faithlessbuthopeful

11-10-2018
Physics

contestada

Carbon (C) and hydrogen (H) are pure substances. Each is made of only one type of atom, but carbon atoms are different from hydrogen atoms. Carbon and hydrogen chemically combine to form methane (CH4).

Based on this information,

A.
carbon, hydrogen, and methane are all compounds.
B.
methane is an element and carbon and hydrogen are compounds.
C.
carbon and hydrogen are elements and methane is a compound.
D.
carbon, hydrogen, and methane are all elements.

Respuesta :

sofiasos sofiasos

15-10-2018

C.

carbon and hydrogen are elements and methane is a compound.

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ariston ariston

05-10-2019

Answer:

C. carbon and hydrogen are elements and methane is a compound.

Explanation:

Elements are substances which have one type of atoms. Compounds are substances which have different types of atoms. Since, Carbon and Methane have only one type of atoms and thus, these are pure substances. Methane contains atoms of Carbon and Hydrogen chemically combined together. Thus, methane is a compound.

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