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Questions and Answers
What is the maximum number of electrons that an orbital can contain?
What is the maximum number of electrons that an orbital can contain?
- 4
- 8
- 1
- 2 (correct)
Which of the following correctly represents the rule for writing atomic symbols?
Which of the following correctly represents the rule for writing atomic symbols?
- The atomic symbol must always consist of two letters.
- The first letter must be lowercase and the second uppercase.
- The symbol can consist only of lowercase letters.
- The first letter must be uppercase, while the second, if present, must be lowercase. (correct)
What is true about the relationship between protons and electrons in a neutral atom?
What is true about the relationship between protons and electrons in a neutral atom?
- Protons outnumber electrons.
- Protons and electrons are equal in number. (correct)
- Electrons outnumber protons.
- There is no fixed relationship.
Which atomic symbol is incorrectly formatted based on the rules provided?
Which atomic symbol is incorrectly formatted based on the rules provided?
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What describes where protons and neutrons are located in an atom?
What describes where protons and neutrons are located in an atom?
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Study Notes
Atomic Structure
- Protons and neutrons reside within the nucleus of an atom.
- Electrons orbit the nucleus.
- Each electron orbital can hold a maximum of two electrons.
- Neutral atoms have an equal number of protons and electrons.
Atomic Symbols
- Atomic symbols use one or two letters to represent elements.
- The first letter of the symbol is always capitalized.
- The second letter, if present, is lowercase.
- Atomic symbols are derived from the element's name. Several symbols originate from Latin.
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