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Questions and Answers
What is the first real periodic table to classify elements?
What is the first real periodic table to classify elements?
- Alphabetical periodic table
- Modern periodic table
- Mendeleev's periodic table (correct)
- Chemical periodic table
What do the letters K, L, M, N, O, P, and Q indicate?
What do the letters K, L, M, N, O, P, and Q indicate?
- Energy levels (correct)
- Atomic numbers
- Electron configurations
- Periods in the periodic table
What do the letters s, p, d, and f indicate?
What do the letters s, p, d, and f indicate?
- Sublevels or orbitals (correct)
- Types of chemical bonds
- Quantum numbers
- Types of radioactive decay
Which kind of element is located in the middle of the periodic table?
Which kind of element is located in the middle of the periodic table?
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What is the ability of an atom in a covalent molecule to attract electrons of the chemical bond towards itself called?
What is the ability of an atom in a covalent molecule to attract electrons of the chemical bond towards itself called?
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Study Notes
Development of the Periodic Table
- The first real periodic table was developed by Dmitri Mendeleev in 1869.
Electron Shells and Orbitals
- The letters K, L, M, N, O, P, and Q indicate the electron shells or energy levels of an atom.
- The letters s, p, d, and f indicate the subshells or orbitals within an electron shell.
Periodic Table Classification
- The transition metals are located in the middle of the periodic table.
Chemical Bonding
- Electronegativity is the ability of an atom in a covalent molecule to attract electrons of the chemical bond towards itself.
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