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Questions and Answers
What is a molecule?
What is a molecule?
- A group of atoms held together by non-covalent interactions
- A single atom held together by chemical bonds
- A single atom with no chemical bonds
- A group of two or more atoms held together by chemical bonds (correct)
Which type of molecule consists of atoms of one chemical element?
Which type of molecule consists of atoms of one chemical element?
- Covalent molecule
- Ionic molecule
- Heteronuclear molecule
- Homonuclear molecule (correct)
Who contributed to the modern investigation into the nature of molecules and their bonds?
Who contributed to the modern investigation into the nature of molecules and their bonds?
- Jean Perrin
- Amedeo Avogadro
- Linus Pauling (correct)
- Robert Boyle
In the kinetic theory of gases, the term 'molecule' is often used for which particles?
In the kinetic theory of gases, the term 'molecule' is often used for which particles?
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What is the study of molecules known as today?
What is the study of molecules known as today?
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What is a zwitterion in chemistry?
What is a zwitterion in chemistry?
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What are betaines in relation to zwitterions?
What are betaines in relation to zwitterions?
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What is the stoichiometry of tautomerism of amino acids?
What is the stoichiometry of tautomerism of amino acids?
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How are zwitterions stabilized in aqueous solution?
How are zwitterions stabilized in aqueous solution?
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What is the approximate range for the pKa values of deprotonation of common amino acids?
What is the approximate range for the pKa values of deprotonation of common amino acids?
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