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Chapter 2: Polymers and Fundamental Concepts of the Atom

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Chapter 2: Polymers and Fundamental Concepts of the Atom

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Questions and Answers

What is the polymer backbone?

The nucleus of an atom containing protons and neutrons

The long chain of bonded carbon atoms formed when monomers link together to form polymers (correct)

The number of protons in a particular atom

The arrangement of electrons around the nucleus in a solar system model

Which of the following depicts the atomic structure as a solar system and is outdated?

Polyethylene

Electrons depicted as clouds of negative charge surrounding the nucleus (correct)

Atomic number

Models showing how atoms are arranged in several polymers

What does the mass number of an atom represent?

The long chain of bonded carbon atoms formed when monomers link together to form polymers

The arrangement of electrons around the nucleus in a solar system model

Number of protons in a particular atom

Sum of the number of protons and number of neutrons in a nucleus (correct)

What are polymers made up of?

Smaller molecules linked together in polymers Signup and view all the answers

What are atoms composed of?

Nucleus containing protons and neutrons Signup and view all the answers

Which term identifies the number of protons in a particular atom?

Atomic number Signup and view all the answers

What is the mass number of an atom?

The number of protons and neutrons in the nucleus Signup and view all the answers

What is the charge of a cation?

Net positive charge Signup and view all the answers

What does Coulomb’s law state?

The force between ions is proportional to the distance squared Signup and view all the answers

What is the difference between an element and its ion?

Different properties Signup and view all the answers

How are ionic compounds described?

As having alternating layers of cations and anions Signup and view all the answers

What do chemical formulas describe?

The elements and number of atoms of each element in a compound Signup and view all the answers

What is the charge of an anion?

Net negative charge Signup and view all the answers

What determines the mass spectrometers can measure?

The masses of atoms, isotopes, and molecules Signup and view all the answers

What do monatomic ions derive from?

A single atom Signup and view all the answers

What do isotopic abundances describe?

The relative amounts of each isotope Signup and view all the answers