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प्रश्न
Name two elements in halogens.
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उत्तर
Chlorine and bromine.
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संबंधित प्रश्न
Fill in the blank:
The modern periodic table consists of ……………. periods.
How many rows and columns are there in the modern periodic table?
State modern periodic law.
Is it possible to have an element having atomic number 1.5 placed between hydrogen and helium?
Name the type of elements which have two electrons in the outermost orbit.
Find the correlation:
Mendeleev’s periodic table : atomic mass : : Modern periodic table : _______
Right or wrong sentence.
The modern periodic table has 1 to 7 periods.
Write an explanation.
Period
State whether true or false. If false, correct the statement.
Lanthanides and actinides are kept at the bottom of the periodic table because they resemble each other but they do not resemble with any other group elements.
Explain the position of hydrogen in the periodic table.
