What are valence electrons?
CrossChemACP2024FinalReview

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Chemistry
•
10th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Valence electrons are the electrons in the outermost shell of an atom that are involved in chemical bonding.
2.
FLASHCARD QUESTION
Front
Why do elements in the same group have similar properties?
Back
Elements in the same group have similar properties because they have the same number of valence electrons.
3.
FLASHCARD QUESTION
Front
What is the significance of ionization energy?
Back
Ionization energy is the energy required to remove an electron from an atom. It indicates how easily an atom can lose an electron.
4.
FLASHCARD QUESTION
Front
How does atomic mass relate to isotopes?
Back
The average atomic mass of an element is calculated based on the masses of its isotopes and their relative abundances.
5.
FLASHCARD QUESTION
Front
What is the periodic trend for ionization energy?
Back
Ionization energy generally increases across a period and decreases down a group in the periodic table.
6.
FLASHCARD QUESTION
Front
What is an electron configuration?
Back
An electron configuration is the distribution of electrons among the various orbitals of an atom.
7.
FLASHCARD QUESTION
Front
How do you determine the element from its electron configuration?
Back
You can determine the element by counting the total number of electrons, which equals the atomic number.
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