What is an atom?
Honors Chemistry Final Exam Review Game

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Chemistry
•
11th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Back
An atom is the smallest unit of matter that retains the properties of an element. It consists of a nucleus made of protons and neutrons, surrounded by electrons.
2.
FLASHCARD QUESTION
Front
Why have many models of the atom been developed?
Back
Models of the atom have been developed due to new information leading to new explanations, scientists questioning each other's work, and advancements in equipment allowing for new discoveries.
3.
FLASHCARD QUESTION
Front
What is the significance of the periodic table?
Back
The periodic table organizes elements by increasing atomic number and groups them by similar chemical properties, allowing for easier understanding of element relationships.
4.
FLASHCARD QUESTION
Front
What is a chemical property of matter?
Back
A chemical property is a characteristic of a substance that becomes evident during a chemical reaction, such as reactivity with an acid.
5.
FLASHCARD QUESTION
Front
How is pH related to hydrogen ion concentration?
Back
pH is a measure of the hydrogen ion concentration in a solution. A lower pH indicates a higher concentration of hydrogen ions.
6.
FLASHCARD QUESTION
Front
What is the pH of a solution with a hydrogen ion concentration of 0.1 M?
Back
The pH of a solution with a hydrogen ion concentration of 0.1 M is 1.
7.
FLASHCARD QUESTION
Front
Which element is a good conductor of electricity at STP?
Back
Aluminum (Al) is a good conductor of electricity at standard temperature and pressure (STP) and has a relatively low electronegativity.
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