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प्रश्न
Name three elements that have a single electron in their outermost shells.
उत्तर
a) Lithium (Li), sodium (Na), and potassium (K) have a single electron in their outermost shells.
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संबंधित प्रश्न
Use Mendeleev's Periodic Table to predict the formula of hydrides of carbon and silicon.
How did Mendeleev arrange the elements in the periodic table?
Give a reason for the following:
Mendeleev's contributions to the periodic table laid the foundation for the Modern Periodic Table.
While designing the periodic table, Mendeleev considered the chemical and physical properties of the elements.
Write scientific reason.
Mendeleev kept vacant places in the periodic table.
Write scientific reason.
There was no definitive place for isotope in Mendeleev’s periodic table.
Distinguish between:
Mendeleev’s periodic table - Modern periodic table
Which of the following properties does not match the element of the halogen family?
According to Mendeléev's Periodic Law, the elements were arranged in the periodic table in the order of
State Mendeleev’s Law of Periodicity.