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Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
ISBN: 9781337399074

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Section
BuyFindarrow_forward

Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
ISBN: 9781337399074
Textbook Problem

Crossword Puzzle: In the 2 × 2 box shown here, each answer must be correct four ways: horizontally, vertically, diagonally, and by itself. Instead of words, use symbols of elements. When the puzzle is complete, the four spaces will contain the over-lapping symbols of 10 elements. There is only one correct solution.

images

Horizontal

1–2: two-letter symbol for a metal used in ancient times

3–4: two-letter symbol for a metal that burns in air and is found in Croup 5A

Vertical

1–3: two-letter symbol for a metalloid

2–4: two-letter symbol for a metal used in U.S. coins

Single squares: All one-letter symbols

1: a colorful non-metal

2: colorless, gaseous non-metal

3: an element that makes fireworks green

4: an element that has medicinal uses

Diagonal

1-4: two-letter symbol for an element used in electronics

2-3: two-letter symbol for a metal used with Zr to make wires for superconducting magnets

This puzzle first appeared in Chemical & Engineering News, p. 86, December 14, 1987 (submitted by S. J. Cyvin) and in Chem Matters, October 1988.

Interpretation Introduction

Interpretation:

The given table of crossword puzzle is to be completed by using the symbols of elements.

Concept introduction:

Metals used in ancient times are Au, Ag, Cu, Sn, Pb, Fe and Hg.

Metal burns in air and found in group 5A  is bismuth.

Metalloids are B, Si, As, Ge, Sb, Te and Po

Metals used in U.S coins is nickel

Explanation

Horizontal,

1-2) possible two letter symbols of metals used in ancient times,

    Au, Ag, Cu, Sn, Pb, Fe and Hg.

3-4) possible two letter symbols for a metal burns in air and found in group 5A,

    Bismuth

Vertical,

1-3) Possible two letter symbol for a metalloid,

    B, Si, As, Ge, Sb, Te and Po

2-4) Possible two letter symbols of metals used in U.S coins,

  Nickel

Hence,

The only possible elements combinations for the table is,

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