(a) Interpretation: To arrange the given set of species in order of their increasing radius. Rb, K, Cs and Kr Concept introduction: The Modern Periodic law states that the physical and chemical properties of the elements are a periodic function of their atomic numbers . This means that changes in the chemical properties of various elements present in the modern periodic table are due to their atomic numbers. Atomic number of elements gives the total number of electrons or protons present in that atom. The main cause of periodicity is the repetition of similar outer electronic configuration after regular intervals.

Question

Calculate the atomic packing factor of diamond knowing that the number of Si atoms per cm3 is 2.66·1022 and that the atomic radii of silicon and oxygen are, respectively, 0.038 and 0.117 nm.

Answer 1

Question

Chapter 6, Problem 60QAP

Interpretation Introduction

(a)

Interpretation:

To arrange the given set of species in order of their increasing radius.

Rb, K, Cs and Kr

Concept introduction:

The Modern Periodic law states that the physical and chemical properties of the elements are a periodic function of their atomic numbers. This means that changes in the chemical properties of various elements present in the modern periodic table are due to their atomic numbers. Atomic number of elements gives the total number of electrons or protons present in that atom. The main cause of periodicity is the repetition of similar outer electronic configuration after regular intervals.

Interpretation Introduction

(b)

Interpretation:

To arrange the given set of species in order of their increasing radius.

Ar, Si, Al, Cs

Concept introduction:

The Modern Periodic law states that the physical and chemical properties of the elements are a periodic function of their atomic numbers. This means that changes in the chemical properties of various elements present in the modern periodic table are due to their atomic numbers. Atomic number of elements gives the total number of electrons or protons present in that atom. The main cause of periodicity is the repetition of similar outer electronic configuration after regular intervals.

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Calculate the atomic packing factor of diamond knowing that the number of Si atoms per cm3 is 2.66·1022 and that the atomic radii of silicon and oxygen are, respectively, 0.038 and 0.117 nm.

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