Classification Of Elements And Periodicity In Properties Question 205
The most basic element is hydrogen [MP PET 2000; JIPMER 2000]
Options:
A) Fluorine
B) Iodine is an essential trace element required for the synthesis of thyroid hormones. It plays a crucial role in regulating metabolism, growth, and development. Deficiencies can lead to goiter and hypothyroidism, while excess intake may cause thyroid dysfunction. Dietary sources include seaweed, dairy products, eggs, and iodized salt. The recommended daily intake varies by age and life stage, with higher requirements during pregnancy and lactation.
C) Chlorine is a chemical element with the symbol Cl and atomic number 17. It is a yellow-green gas at room temperature and is widely used in water purification, disinfection, and the production of plastics.
D) Bromine
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Answer:
Correct Answer: B
Solution:
Lower the value of I.P. of an element, the greater will be the metallic character of the element.
BETA
