The given elements are to be arranged according to the decreasing number of atoms in equal masses of magnesium, zinc, and silver. Concept Introduction: The atomic mass of an element is defined as the sum of number of protons and number of neutrons in the nucleus of an atom. Molar mass of an element is determined from atomic mass of an element. The formula to calculate the number of moles of an element is, Moles = Mass ( g ) Molar mass The formula to calculate the number of atoms is, Number of atoms = Number of moles × Avogadro Number .

BuyFind

Introductory Chemistry: A Foundati...

9th Edition
Steven S. Zumdahl + 1 other
Publisher: Cengage Learning
ISBN: 9781337399425
BuyFind

Introductory Chemistry: A Foundati...

9th Edition
Steven S. Zumdahl + 1 other
Publisher: Cengage Learning
ISBN: 9781337399425

Solutions

Chapter 8, Problem 18ALQ
Interpretation Introduction

Interpretation:

The given elements are to be arranged according to the decreasing number of atoms in equal masses of magnesium, zinc, and silver.

Concept Introduction:

The atomic mass of an element is defined as the sum of number of protons and number of neutrons in the nucleus of an atom. Molar mass of an element is determined from atomic mass of an element.

The formula to calculate the number of moles of an element is,

Moles=Mass(g)Molarmass

The formula to calculate the number of atoms is,

Numberofatoms=Numberofmoles×AvogadroNumber.

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