Which of the following exhibits the maximum photoelectric effect?
- A$Cs$
- B$Na$
- C$K$
- D$Li$
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Similar Questions
Which of the following statements is not true for most of the alkali metals?
Medium
View SolutionWhich of the following metallic hydroxides does not dissolve in a solution of sodium hydroxide?
Easy
View SolutionExplain the chemical properties of alkali metal elements (Group $I$).
Which of the following statement$(s)$ are correct, when alkali metals burn in the presence of oxygen?
$I$. Lithium forms monoxide
$II$. Sodium forms peroxide
$III$. Potassium, rubidium and cesium form superoxide
$I$. Lithium forms monoxide
$II$. Sodium forms peroxide
$III$. Potassium, rubidium and cesium form superoxide
Given below are two statements: One is labelled as Assertion $A$ and the other is labelled as Reason $R$.
Assertion $A$ :- Sodium is about $30$ times as abundant as potassium in the oceans.
Reason $R$ :- Potassium is bigger in size than sodium.
In the light of the above statements,choose the correct answer from the options given below:
Assertion $A$ :- Sodium is about $30$ times as abundant as potassium in the oceans.
Reason $R$ :- Potassium is bigger in size than sodium.
In the light of the above statements,choose the correct answer from the options given below:
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