(a)
Interpretation: The name and
Concept Introduction: Elements are the substances that contain same types of atoms. All known elements are placed in the periodic table. Elements are arranged in the increasing order of their atomic number. On the basis of valence shell electronic configuration, periodic table can be classified as s, p,
(b)
Interpretation: The name and symbol of the element with atomic number 49 should be identified.
Concept Introduction: Elements are the substances that contain same types of atoms. All known elements are placed in the periodic table. Elements are arranged in the increasing order of their atomic number. On the basis of valence shell electronic configuration, periodic table can be classified as s, p, d and f-block elements.
(c)
Interpretation: The name and symbol of the element with atomic number 26 should be identified.
Concept Introduction: Elements are the substances that contain same types of atoms. All known elements are placed in the periodic table. Elements are arranged in the increasing order of their atomic number. On the basis of valence shell electronic configuration, periodic table can be classified as s, p, d and f-block elements.
(d)
Interpretation: The name and symbol of the element with atomic number 54 should be identified.
Concept Introduction: Elements are the substances that contain same types of atoms. All known elements are placed in the periodic table. Elements are arranged in the increasing order of their atomic number. On the basis of valence shell electronic configuration, periodic table can be classified as s, p, d and f-block elements.
(e)
Interpretation: The name and symbol of the element with atomic number 78 should be identified.
Concept Introduction: Elements are the substances that contain same types of atoms. All known elements are placed in the periodic table. Elements are arranged in the increasing order of their atomic number. On the basis of valence shell electronic configuration, periodic table can be classified as s, p, d and f-block elements.
(f)
Interpretation: The name and symbol of the element with atomic number 83 should be identified.
Concept Introduction: Elements are the substances that contain same types of atoms. All known elements are placed in the periodic table. Elements are arranged in the increasing order of their atomic number. On the basis of valence shell electronic configuration, periodic table can be classified as s, p, d and f-block elements.
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Basic Chemistry
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