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Question
How were elements arranged in the long form of the periodic table or the Modern Periodic Table?
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Solution
Long-form of periodic table elements were arranged in increasing order of atomic number.
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Fill in the following blank with suitable word:
The basis for modern periodic table is ...............
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The following diagram shows a part of the periodic table in which the elements are arranged according to their atomic numbers. (The letters given here not the chemical symbols of the elements):
| a 3 |
b 4 |
c 5 |
d 6 |
e 7 |
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h 10 |
|
| i 11 |
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l 14 |
m 15 |
n 16 |
o 17 |
p 18 |
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