What is the most important factor when choosing a material for a product?
The Chemistry of Materials

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Science
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7th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
The most important factor is all of the following: how much it costs to produce, the environmental impact of the manufacturing process, and how easy it is to recycle after the container is used.
2.
FLASHCARD QUESTION
Front
What does an element contain?
Back
An element contains one kind of atom.
3.
FLASHCARD QUESTION
Front
Which of the following is a compound: H, Hg, CO, or Cl?
Back
CO (Carbon Monoxide) is a compound.
4.
FLASHCARD QUESTION
Front
What are physical properties?
Back
Physical properties are characteristics that can be observed without changing the substance, such as electrical conductivity, hardness, and ability to transmit light.
5.
FLASHCARD QUESTION
Front
What phase are most elements in at room temperature?
Back
Most elements are in the solid phase at room temperature.
6.
FLASHCARD QUESTION
Front
Define a compound.
Back
A compound is a substance formed when two or more different elements are chemically bonded together.
7.
FLASHCARD QUESTION
Front
What is the difference between an element and a compound?
Back
An element is made of one kind of atom, while a compound is made of two or more different kinds of atoms.
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