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Questions and Answers
How many covalent bonds does carbon typically form?
How many covalent bonds does carbon typically form?
- Three
- Four (correct)
- One
- Two
Which atom or group of atoms within a molecule shows a characteristic set of predictable physical and chemical properties?
Which atom or group of atoms within a molecule shows a characteristic set of predictable physical and chemical properties?
- Line-angle formula
- Functional group (correct)
- Condensed chemical formula
- Molecular formula
What does a molecular formula represent?
What does a molecular formula represent?
- The intermolecular forces exhibited by a compound
- The arrangement of atoms in a molecule
- The polarity of a compound
- The kinds and numbers of atoms in a molecule (correct)
Which of the following statements about carbohydrates is true?
Which of the following statements about carbohydrates is true?
Which atom forms one covalent bond and has three unshared pairs of electrons?
Which atom forms one covalent bond and has three unshared pairs of electrons?
What is the primary function of the green pigment chlorophyll in plants?
What is the primary function of the green pigment chlorophyll in plants?
What is the main focus of organic chemistry?
What is the main focus of organic chemistry?
What is the objective of biochemistry?
What is the objective of biochemistry?
Which property of carbon atoms allows them to form the backbone of macromolecules?
Which property of carbon atoms allows them to form the backbone of macromolecules?
Who proposed the tetrahedral arrangement of carbon atom bonds?
Who proposed the tetrahedral arrangement of carbon atom bonds?
What type of bond is formed when electrons are shared unequally between atoms?
What type of bond is formed when electrons are shared unequally between atoms?
Which representation shows all atoms present in a molecule and the bonds connecting them?
Which representation shows all atoms present in a molecule and the bonds connecting them?
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