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Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
ISBN: 9781337399074

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BuyFindarrow_forward

Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
ISBN: 9781337399074
Textbook Problem

Atomic structure.

(a) The synthetic radioactive element technetium is used in many medical studies. Give the number of electrons, protons, and neutrons in an atom of technetium-99.

(b) Radioactive americium-241 is used in house-hold smoke detectors and in bone mineral analysis. Give the number of electrons, protons, and neutrons in an atom of americium-241.

(a)

Interpretation Introduction

Interpretation:

For the given atom, the number of electrons, protons and neutrons has to be determined.

Concept introduction:

The atomic number of Technetium atom is 43, thereby it has 43 protons; if the mass number of technetium is 99 then the number of neutron is 56.

The atomic number of Americium atom is 95, thereby has 95 protons; if the mass number of americium is 241 then the number of neutron is 146.

The number of protons and number of electrons for an atom is equal.

Explanation

The atomic number of Technetium atom is 43, thereby it has 43 protons; if the mass number of technetium is 99 then the number of neutron is 56...

(b)

Interpretation Introduction

Interpretation:

For the given atom, the number of electrons, protons and neutrons has to be determined.

Concept introduction:

The atomic number of Technetium atom is 43, thereby it has 43 protons; if the mass number of technetium is 99 then the number of neutron is 56.

The atomic number of Americium atom is 95, thereby has 95 protons; if the mass number of americium is 241 then the number of neutron is 146.

The number of protons and number of electrons for an atom is equal.

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