Chapter 6, Problem 9CI

Interpretation Introduction

(a)

To determine:

The number of electron, proton and neutrons in the given table

Isotope	No. of Protons	No. of Neutrons	No. of Electrons
${}_{14}{}^{27}Si$
${}_{14}{}^{28}Si$
${}_{14}{}^{29}Si$
${}_{14}{}^{30}Si$
${}_{14}{}^{31}Si$

Interpretation Introduction

(b)

To determine:

Electronic arrangement of silicon

Interpretation Introduction

(c)

To determine:

The atomic mass of silicon using the isotopes with natural abundance as given in table

Interpretation Introduction

(d)

To determine:

The balanced nuclear reaction for positron emission of Si-27 and beta decay of Si-31

Interpretation Introduction

(e)

To determine:

The electron dot formula and shape of SiCl₄

Interpretation Introduction

(f)

To determine:

The number of hours needed for a sample of Si-31 with an activity of 16μCi to decay to 2.0μCi.