Question

classify each example of matter by moving the example into the box with the corresponding classification.

examples:
acid rain
table salt
helium gas
chocolate chip cookies

classifications:
element
compound
solution
mechanical mixture

Explanation:

Define classification categories

Matter is classified into pure substances (elements and compounds) and mixtures (solutions and mechanical mixtures).

Analyze Helium gas

Helium is a single type of atom found on the periodic table, making it an Element.

Analyze Table salt

Table salt is sodium chloride (\(\text{NaCl}\)), which consists of chemically bonded elements, making it a Compound.

Analyze Acid Rain

Acid rain is a homogeneous mixture of water and dissolved acids, making it a Solution.

Analyze Chocolate chip cookies

Chocolate chip cookies have visibly distinct parts (dough and chocolate chips), making them a Mechanical Mixture.

Answer:

Classification	Examples
Compound	Table salt
Solution	Acid Rain
Mechanical Mixture	Chocolate chip cookies