Periodic Table & Bohr Model
Flashcard
•
Science
•
10th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What are valence electrons?
Back
Valence electrons are the electrons in the outermost shell of an atom that are involved in forming bonds with other atoms.
2.
FLASHCARD QUESTION
Front
How many valence electrons does an atom with 7 valence electrons have?
Back
7
3.
FLASHCARD QUESTION
Front
What are periods on the periodic table?
Back
Periods are the horizontal rows in the periodic table that indicate the number of electron shells in the elements.
4.
FLASHCARD QUESTION
Front
How many electrons does an atom with atomic number 26 have?
Back
26
5.
FLASHCARD QUESTION
Front
What is the mass number of an atom?
Back
The mass number is the total number of protons and neutrons in the nucleus of an atom.
6.
FLASHCARD QUESTION
Front
What charge do electrons have?
Back
Electrons have a negative charge.
7.
FLASHCARD QUESTION
Front
What are groups on the periodic table?
Back
Groups are the vertical columns in the periodic table that contain elements with similar chemical properties.
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