315906
Which of the following statements is/are incorrect regarding the s-block elements?
I. Francium is highly radioactive element.
II. Oxides and hydroxides of alkali metals and alkaline earth metals are not alkaline in nature.
III. Sodium and potassium are the only two sblock elements that are found in large proportion in biological fluids.
IV. Biological function of \(\mathrm{s}\) - block elemetns includes maintenance of balance and nerve impulse conduction.
315906
Which of the following statements is/are incorrect regarding the s-block elements?
I. Francium is highly radioactive element.
II. Oxides and hydroxides of alkali metals and alkaline earth metals are not alkaline in nature.
III. Sodium and potassium are the only two sblock elements that are found in large proportion in biological fluids.
IV. Biological function of \(\mathrm{s}\) - block elemetns includes maintenance of balance and nerve impulse conduction.
315906
Which of the following statements is/are incorrect regarding the s-block elements?
I. Francium is highly radioactive element.
II. Oxides and hydroxides of alkali metals and alkaline earth metals are not alkaline in nature.
III. Sodium and potassium are the only two sblock elements that are found in large proportion in biological fluids.
IV. Biological function of \(\mathrm{s}\) - block elemetns includes maintenance of balance and nerve impulse conduction.
315906
Which of the following statements is/are incorrect regarding the s-block elements?
I. Francium is highly radioactive element.
II. Oxides and hydroxides of alkali metals and alkaline earth metals are not alkaline in nature.
III. Sodium and potassium are the only two sblock elements that are found in large proportion in biological fluids.
IV. Biological function of \(\mathrm{s}\) - block elemetns includes maintenance of balance and nerve impulse conduction.