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Identify each item as either an element or a compound. carbon (C) carbon dioxide (CO2) hydrogen (H) sodium chloride (NaCl)

User Franco
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Carbon- element
Carbon dioxide- compound
Hydrogen- element
Sodium- element
Sodium chloride- compound
User Jinto
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Answer:

Carbon-element

Carbon dioxide-compound

Hydrogen-Element

Sodium chloride-Compound

Step-by-step explanation:

Element:It is a substance whose atoms all have the same number of protons.

It is chemically simplest substance and it can not be broken in smallest particle by chemical reactions.

Compound:It is substance which consist of two or more than two elements.

1.Carbon (C)

Using definition of element

Carbon is an element.

2.Carbon dioxide

Carbon dioxide is a compound because it consist of carbon and oxygen .

3.Hydrogen

It is an element because it cannot be broken down in small particles by chemical reaction.

4.NaCl

It is a compound because it consist of sodium and Cl -atom

User Gohnjanotis
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