(a)
Interpretation:
The designation of Group
Concept introduction:
The periodic table represents elements in order of their
(b)
Interpretation:
The designation of Group
Concept introduction:
The periodic table represents elements in order of their atomic number. In the modern periodic table, the horizontal rows are known as periods and vertical columns are known as groups. There are seven periods and eighteenth groups in modern periodic table.
(c)
Interpretation:
The designation of Group
Concept introduction:
The periodic table represents elements in order of their atomic number. In the modern periodic table, the horizontal rows are known as periods and vertical columns are known as groups. There are seven periods and eighteenth groups in modern periodic table.
(d)
Interpretation:
The designation of Group
Concept introduction:
The periodic table represents elements in order of their atomic number. In the modern periodic table, the horizontal rows are known as periods and vertical columns are known as groups. There are seven periods and eighteenth groups in modern periodic table.
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Introductory Chemistry: Concepts and Critical Thinking (8th Edition)
- How is the periodic Table arranged? (A) Horizontally ( B) Vertically (C) Atomic Mass. (D) Periods and Groupsarrow_forwardLocate each group on the periodic table and list the chargeof the ions it tends to form.(a) Group 1A(b) Group 2A(c) Group 3A(d) Group 6A(e) Group 7Aarrow_forwardUntil the early 1960s, the group 8A elements were calledthe inert gases. (a) Why was the term inert gases dropped?(b) What discovery triggered this change in name? (c) Whatname is applied to the group now?arrow_forward
- –24. According to the American convention, what is the designa- tion for each of the following groups of elements? (a) Group 2 (c) Group 6 (e) Group 11 (g) Group 16 (b) Group 4 (d) Group 8 (f) Group 12 (h) Group 18 thearrow_forward(a) Would you expect scandium oxide to be a solid, liquid, or gas at room temperature?arrow_forwardGive the ground-state electron configuration for each of the following elements. After each atom is its atomic number in parentheses. (a) Boron (5) (b) Hydrogen (1)arrow_forward
- Draw the energy-level diagram for the atom of eachof the following elements:Â (a) boron(b) silicon(c) mercuryarrow_forwardWhich element is a main-group metal? (a) O (b) Ag (c) P (d) Pbarrow_forwardArrange in order of increasing atomic size. (a) the period 3 elements Cl, Na, and Ar (b) the Group 2A elements Ca, Be, and Mgarrow_forward
- choose three . What are the characteristerses of a metal like element? (a) they try to get additional electrons (b) they are melleable. (c) they are lightly to give away or share electrons. (d) they are good conductors of electricityarrow_forwardGiven the following information about two elements X and Y of the same group. Element Atomic number X 17 Y 35 (a) Deduce the group number of the two elements based on the information given. (b) With the aid of electron diagrams (showing only the outermost shell electrons), explain how element X can form (i) an ionic compound with sodium (ii) a covalent compound with hydrogenarrow_forwardState weather each of the following properties of the representative elements generally increases or decreases. (A) from left to right across a period. (B) from top to bottom within a group: metallic character, atomic size, ionization energy, acidity of oxides.arrow_forward
- General Chemistry - Standalone book (MindTap Cour...ChemistryISBN:9781305580343Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; DarrellPublisher:Cengage Learning