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Question
Fill in the following blank with suitable word:
The horizontal rows in a periodic table are called ...............
Solution
The horizontal rows in a periodic table are called periods.
RELATED QUESTIONS
Fill in the following blank with suitable word:
Group 17 elements are known as ...............
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Explain why, the first period of the periodic table has only two elements whereas second period has eight elements
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Helium and neon are unreactive gases. What, if anything, do their atoms have in common?
Name the type of elements which have one electron short of octet.
State the number of elements in Period 1 of the Periodic Table.
The modern periodic table has 1 to 7 periods.
The arrangement of elements in the Modem Periodic Table is based on their ______
What is the general name of the last elements of the Periodic Table?
