A. 1. 2. 3. 4. State whether the following statements are TRUE or FALSE. Atoms of elements of the same group have the same physical properties. The special name of elements in Group 17 of the Periodic Table is halogens. Elements in the Periodic Table are arranged in the ascending order of the mass number. The general electron configuration for atoms of all elements in Group 15 is ns²np5.
A. 1. 2. 3. 4. State whether the following statements are TRUE or FALSE. Atoms of elements of the same group have the same physical properties. The special name of elements in Group 17 of the Periodic Table is halogens. Elements in the Periodic Table are arranged in the ascending order of the mass number. The general electron configuration for atoms of all elements in Group 15 is ns²np5.
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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Transcribed Image Text:A. State whether the following statements are TRUE or FALSE.
1.
2.
3.
4.
B.
5.
Atoms of elements of the same group have the same physical properties.
The special name of elements in Group 17 of the Periodic Table is halogens.
Elements in the Periodic Table are arranged in the ascending order of the mass
number.
The general electron configuration for atoms of all elements in Group 15 is ns²np5.
Multiple Choice Questions
The factors that influenced the trend of atomic radius when crossing a period and go
down a group. Justify the correct answer.
A.
B.
C.
D.
Across a period
The number of shells increased.
The effective nucleus charge
increased.
The number of shells decreased.
The effective nucleus charge
decrease
Down a group
The shielding effects are unchange.
The number of shells increased.
The effective nucleus charge
increase.
Shielding effect increase.
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