What are valence electrons?
Bohr, Lewis Dot & Valence Electrons

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•
Chemistry
•
8th 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
How many valence electrons does Boron have?
Back
Boron has 3 valence electrons.
3.
FLASHCARD QUESTION
Front
What is the significance of the group number in the periodic table?
Back
The group number indicates the number of valence electrons in the elements of that group.
4.
FLASHCARD QUESTION
Front
Which elements are in group 2 of the periodic table?
Back
Group 2 elements include Beryllium (Be), Magnesium (Mg), Calcium (Ca), Strontium (Sr), Barium (Ba), and Radium (Ra).
5.
FLASHCARD QUESTION
Front
Why do elements in the same group react similarly?
Back
Elements in the same group have the same number of valence electrons, which leads to similar chemical properties.
6.
FLASHCARD QUESTION
Front
What happens to the number of electron shells as you move down a group in the periodic table?
Back
The number of electron shells increases as you move down a group.
7.
FLASHCARD QUESTION
Front
How many valence electrons does Iodine have?
Back
Iodine has 7 valence electrons.
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