Chapter 2, Problem 70QAP

Interpretation Introduction

(a)

Interpretation:

The element needs to be identified according to the given information.

Concept introduction:

The elements are arranged in the periodic table in increasing order of their atomic number. There are 18 groups and 7 periods in the periodic table. The number of protons present in a nucleus of the atom is equal to its atomic number.

Interpretation Introduction

(b)

Interpretation:

The element needs to be identified according to the given information.

Concept introduction:

The elements are arranged in the periodic table in increasing order of their atomic number. There are 18 groups and 7 periods in the periodic table. The number of protons present in a nucleus of the atom is equal to its atomic number.

Interpretation Introduction

(c)

Interpretation:

The element needs to be identified according to the given information.

Concept introduction:

The elements are arranged in the periodic table in increasing order of their atomic number. There are 18 groups and 7 periods in the periodic table. The number of protons present in a nucleus of the atom is equal to its atomic number.

Interpretation Introduction

(d)

Interpretation:

The element needs to be identified according to the given information.

Concept introduction:

The elements are arranged in the periodic table in increasing order of their atomic number. There are 18 groups and 7 periods in the periodic table. The number of protons present in a nucleus of the atom is equal to its atomic number.