Examlex
Difficulties involved in teaching science to English language learners include which of the following?
Polarity
A property of molecules with unequal distribution of charges, resulting in molecules having positive and negative ends.
Valence Bond Theory
A theory that explains how electron pairs between atoms form chemical bonds, focusing on electron sharing to achieve noble gas configuration.
Electrons
Subatomic particles with a negative electric charge, found in all atoms and playing a key role in chemical reactions and electricity.
Orbitals
Mathematical functions that describe the regions around an atomic nucleus where an electron is likely to be found, each with its own energy level and shape.
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