Examveda Which of the following is a fundamental element? A. sandB. DiamondC. MarbleD. SugarAnswer: Option B This Question Belongs to Chemistry GK Chapter Wise >> Inorganic Chemistry
Consider the following statements with reference to the periodic table of chemical elements. 1. Ionization potential gradually decreases along a period. 2. In a group of elements, electron affinity decreases as the atomic weight increases. 3. In a given period, electronegativity decreases as the atomic number increases. Which of these statement(s) is/are correct? A. Only 1B. Only 2C. Only 1 and 3D. Only 2 and 3 View Answer
Approximately, how many different chemical elements exist in the Earth? A. 300B. 250C. 200D. 100 View Answer
Join The Discussion