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Organic and Biochemistry Overview

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Questions and Answers

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?

Line-angle formula

Functional group (correct)

Condensed chemical formula

Molecular formula

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?

They are defined as polyhydroxy aldehydes and ketones Signup and view all the answers

Which atom forms one covalent bond and has three unshared pairs of electrons?

Halogen Signup and view all the answers

What is the primary function of the green pigment chlorophyll in plants?

To absorb energy from sunlight for photosynthesis Signup and view all the answers

What is the main focus of organic chemistry?

The study of carbon and its compounds Signup and view all the answers

What is the objective of biochemistry?

To explain form and function based on chemical principles Signup and view all the answers

Which property of carbon atoms allows them to form the backbone of macromolecules?

Their ability to form covalent bonds with up to four atoms Signup and view all the answers

Who proposed the tetrahedral arrangement of carbon atom bonds?

Jacobus Van't Hoff and Joseph Le Bel Signup and view all the answers

What type of bond is formed when electrons are shared unequally between atoms?

Polar covalent bond Signup and view all the answers

Which representation shows all atoms present in a molecule and the bonds connecting them?

Structural formula Signup and view all the answers