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प्रश्न
Name the following.
Alkali metal with smallest atom.
उत्तर
Alkali metal with smallest atom - Lithium (Li)
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संबंधित प्रश्न
Explain the following.
Standard reduction potential of alkali metals have high negative values.
Explain the following.
Sodium dissolves in liquid ammonia to form a solution which shows electrical conductivity.
Explain the following.
Lithium floats and water while sodium floats and catches fire when put in water.
Explain the following.
Alkaline earth metals have low values of electronegativity; which decreases down the group.
Write a balanced chemical equation for the following.
\[\ce{CO2}\] is passed into a concentrated solution of NaCl, which is saturated with \[\ce{NH3}\].
Write a balanced chemical equation for the following.
Magnesium is heated in air.
Answer the following question.
A water sample, which did not give lather with soap, was found to contain \[\ce{Ca(HCO3)2}\] and \[\ce{Mg(HCO3)2}\]. Which chemical will make this water give lather with soap? Explain with the help of chemical reactions.
Name the following.
The most abundant element in the universe.
Name the following.
Radioactive alkali metal.
Name the following.
Ions having high concentration in cell sap.
Which of the following is the CORRECT order for alkaline earth metals?
Which of the following alkaline earth metals has the least affinity towards oxygen?
The first ionization enthalpies of alkali metals decreases down the group because of
Which of the following statements is INCORRECT?
Which of the following is CORRECT for the atomic and ionic radii of alkali metals?
The diagonal relationship in Be and Al is due to ______.
Identify the metals having electronic configuration of [Ar]4s2 and [Kr]5s2 respectively.
Which among the following elements has highest ionisation enthalpy and bears a diagonal relationship with aluminium?
Which among the following alkali metal chlorides form hydrate?
Beryllium shows diagonal relationship with aluminium. Which of the following similarity is incorrect?
The element that does not form acidic oxide is ______.
KO2 (potassium superoxide) is used in oxygen cylinders in space and submarines because it ______.
The element of group 2, which forms an amphoteric oxide and a water soluble sulphate is ______.
Which of the following has maximum solubility?
Which of the following trend is correct with respect to the reactivity of alkali metal oxides with water?
