Chemistry-1
Flashcard
•
Science
•
11th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the atomic number of an element?
Back
The atomic number is the number of protons in the nucleus of an atom, which determines the element's identity.
2.
FLASHCARD QUESTION
Front
What is the charge of a proton?
Back
A proton has a positive charge of +1.
3.
FLASHCARD QUESTION
Front
What is the charge of a neutron?
Back
A neutron has no charge; it is neutral.
4.
FLASHCARD QUESTION
Front
What is the charge of an electron?
Back
An electron has a negative charge of -1.
5.
FLASHCARD QUESTION
Front
What are the vertical columns on the periodic table called?
Back
Groups or families.
6.
FLASHCARD QUESTION
Front
What is a metalloid?
Back
Metalloids are elements that have properties of both metals and nonmetals.
7.
FLASHCARD QUESTION
Front
What is the significance of the periodic table?
Back
The periodic table organizes elements based on their atomic number, electron configuration, and recurring chemical properties.
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