How does the metallic property of an element change in the modern periodic table?
A. The metallic property increases from left to right in the period and from top to bottom in the group
B. The metallic property increases in the period from left to right but decreases from top to bottom in the group
C. Metallic property decreases from left to right in a period and from top to bottom in a group
D. The metallic property decreases in the period from left to right but increases from top to bottom in the group
Answer: Option D
This Question Belongs to Chemistry GK Chapter Wise >> Periodic Classification Of Elements
The law of Octaves' was proposed by:
A. Johann Dobereiner
B. Alexander Newlands
C. Lothar Meyer
D. Dmitri Mendeleev
A. Periodic trends in physical properties of elements
B. Periodic trends in chemical properties of elements
C. Both A and B
D. None of the above
Which of the following resembles the 10th element in Newland's periodic classification?
A. third
B. ninth
C. fourth
D. first
A. law of Triads
B. law of Dobereiner
C. law of Octaves
D. law of Duet
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