What can you conclude from the atomic number of an element?
Atoms Practice Flashcard

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Chemistry
•
10th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
The atomic number indicates the number of protons in an atom of that element.
2.
FLASHCARD QUESTION
Front
What is a valence electron?
Back
Valence electrons are the electrons in the outermost energy level of an atom.
3.
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.
4.
FLASHCARD QUESTION
Front
What does the number 12 represent in atomic notation?
Back
The number 12 represents the atomic mass of the atom.
5.
FLASHCARD QUESTION
Front
What is the atomic number of Oxygen?
Back
The atomic number of Oxygen is 8.
6.
FLASHCARD QUESTION
Front
How many protons does an atom of Carbon have?
Back
An atom of Carbon has 6 protons.
7.
FLASHCARD QUESTION
Front
What is the relationship between protons and electrons in a neutral atom?
Back
In a neutral atom, the number of protons equals the number of electrons.
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