Chemistry Semester One Review
Flashcard
•
Chemistry
•
9th - 12th Grade
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is Atomic Mass?
Back
The weighted average mass of an element's isotopes, measured in atomic mass units (amu). For example, the atomic mass of Iron (Fe) is approximately 55.845.
2.
FLASHCARD QUESTION
Front
What is an orbital diagram?
Back
A visual representation of the arrangement of electrons in an atom's orbitals, showing the distribution of electrons among the various orbitals.
3.
FLASHCARD QUESTION
Front
What is ionization energy?
Back
The energy required to remove an electron from a gaseous atom or ion. It is a measure of how strongly an atom holds onto its electrons.
4.
FLASHCARD QUESTION
Front
What is the electron configuration of an oxygen atom?
Back
1s² 2s² 2p⁴, indicating that oxygen has 8 electrons distributed in its orbitals.
5.
FLASHCARD QUESTION
Front
How many electrons can the first energy level hold?
Back
The first energy level can hold a maximum of 2 electrons.
6.
FLASHCARD QUESTION
Front
What is the maximum number of electrons in the second energy level?
Back
The second energy level can hold a maximum of 8 electrons.
7.
FLASHCARD QUESTION
Front
What is the significance of the periodic table?
Back
The periodic table organizes elements based on their atomic number, electron configurations, and recurring chemical properties.
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