5 Questions
What is the first real periodic table to classify elements?
Mendeleev's periodic table
What do the letters K, L, M, N, O, P, and Q indicate?
Energy levels
What do the letters s, p, d, and f indicate?
Sublevels or orbitals
Which kind of element is located in the middle of the periodic table?
Metalloid
What is the ability of an atom in a covalent molecule to attract electrons of the chemical bond towards itself called?
Electronegativity
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.
Test your knowledge of scientific terms with this quiz that covers the periodic table, electron orbitals, and the classification of elements. See how well you know your science terminology!
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