1. Materials that have less dense packing (covalent bonds) and often lighter elements are:(a) metals2. From force-extension diagram if the test piece is stressed beyond yield point:(a) the gauge-length will return to its original dimensions.(b) the strain produced is proportional to the stress applied.(c) sudden extension takes place for no increase in the applied force.3. The number of Bravais lattices are:(b) ceramics(c) polymers(a) 7.4. The materials which have filled subshells and chemical inactive are:(b) 14(c) 10(o) hel

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1. Materials that have less dense packing (covalent bonds) and often lighter elements are: (a) metals (c) polymers (b) ceramics Erem C

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

1. Materials that have less dense packing (covalent bonds) and often lighter elements are:
(a) metals
2. From force-extension diagram if the test piece is stressed beyond yield point:
(a) the gauge-length will return to its original dimensions.
(b) the strain produced is proportional to the stress applied.
(c) sudden extension takes place for no increase in the applied force.
3. The number of Bravais lattices are:
(b) ceramics
(c) polymers
(a) 7.
4. The materials which have filled subshells and chemical inactive are:
(b) 14
(c) 10
(o) hel

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