
Atoms and Ions
Flashcard
•
Science, Chemistry
•
10th - 12th Grade
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is an atom?
Back
An atom is the smallest unit of matter that retains the properties of an element, consisting of a nucleus surrounded by electrons.
2.
FLASHCARD QUESTION
Front
What is an ion?
Back
An ion is an atom or molecule that has gained or lost one or more electrons, resulting in a net electrical charge.
3.
FLASHCARD QUESTION
Front
What charge does a cation have?
Back
A cation has a positive charge, formed when an atom loses one or more electrons.
4.
FLASHCARD QUESTION
Front
What charge does an anion have?
Back
An anion has a negative charge, formed when an atom gains one or more electrons.
5.
FLASHCARD QUESTION
Front
How do you determine the number of protons in an atom?
Back
The number of protons in an atom is determined by its atomic number, which is unique to each element.
6.
FLASHCARD QUESTION
Front
What is the significance of valence electrons?
Back
Valence electrons are the outermost electrons of an atom and are important for determining how an atom will bond with other atoms.
7.
FLASHCARD QUESTION
Front
What happens to an atom when it loses two electrons?
Back
When an atom loses two electrons, it becomes a cation with a charge of 2+.
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