Explain by modeling how matter is classified as elements, compounds, homogeneous mixtures, or heterogeneous mixtures.
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Q 1/10
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Which of the following is an example of a heterogeneous mixture?
30
Steel alloy
Salad with various vegetables
Air in the atmosphere
Sugar dissolved in water
Q 2/10
Score 0
30
10 questions
Q.
Which of the following is an example of a heterogeneous mixture?
1
30 sec
8.6(A)
Q.
2
30 sec
8.6(A)
Q.
A student views a sample of matter through a microscope and observes that it consists of two different types of atoms that are not chemically bonded and are distributed unevenly throughout the sample. How should this matter be classified?
3
30 sec
8.6(A)
Q.
A scientist is examining a substance that consists of only one type of atom and cannot be broken down into simpler substances by chemical means. How should this substance be classified?
4
30 sec
8.6(A)
Q.
A student dissolves a spoonful of salt into a glass of water and stirs until the salt is no longer visible. Which classification best describes the resulting liquid?
5
30 sec
8.6(A)
Q.
6
30 sec
8.6(A)
Q.
A student creates a model using different colored beads to represent a substance. If the model shows groups of one red bead and two white beads chemically bonded together consistently throughout the container, which classification is most accurate?
7
30 sec
8.6(A)
Q.
A student is asked to model a stainless steel spoon, which is composed of iron, carbon, and chromium distributed evenly at the atomic level throughout the entire object. Which classification best describes this model?
