What is a physical property?
Chemistry Unit Test

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Chemistry
•
8th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A characteristic of a substance that can be observed without changing its chemical composition, such as color, odor, or melting point.
2.
FLASHCARD QUESTION
Front
What happens to an atom when it loses electrons?
Back
It becomes positively charged, as the number of protons exceeds the number of electrons.
3.
FLASHCARD QUESTION
Front
What is found in the nucleus of an atom?
Back
Protons and neutrons are found in the nucleus, while electrons orbit around it.
4.
FLASHCARD QUESTION
Front
What changes in an atom when it becomes an ion?
Back
The number of electrons changes, resulting in a net charge.
5.
FLASHCARD QUESTION
Front
What is the charge of a neutron?
Back
A neutron has no charge; it is neutral.
6.
FLASHCARD QUESTION
Front
What is the charge of a proton?
Back
A proton has a positive charge.
7.
FLASHCARD QUESTION
Front
What is the charge of an electron?
Back
An electron has a negative charge.
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