Question

which of the following in an example of a homogeneous mixture? air orange juice with pulp marble chicken noodle soup which is a compound? sodium carbon dioxide air gold what is an element? * two or more substances together: not chemically two or more elements combined chemically in a specific ratio cannot be broken down: found on the periodic table building block of living things

Explanation:

1. A homogeneous mixture has a uniform composition throughout. Air is a homogeneous mixture of gases. Orange - juice with pulp is heterogeneous due to the visible pulp. Marble is a heterogeneous mixture of minerals, and chicken noodle soup is heterogeneous with visible components.
2. A compound is formed by the chemical combination of two or more elements in a fixed ratio. Carbon - dioxide is a compound made of carbon and oxygen. Sodium and gold are elements, and air is a mixture.
3. An element is a pure substance that cannot be broken down into simpler substances by chemical means and is found on the periodic table.

Answer:

1. air
2. carbon dioxide
3. cannot be broken down; found on the periodic table