Page 12 - Fizzy Science Corner

82. Which is the element that has the highest first ionization potential? – ​Nitrogen
83. What has the highest ionization potential? – ​Ne
84. Which of the following among alkali metals is most reactive? – ​Cs
85. Which is the element having lowest melting point in periodic table? – ​He
86. Which are the elements on the right side of the periodic table? – ​Non-metals
87. Which transition metal is in liquid state? – ​Mercury
88. Which electronic configurations exhibits metallic character? – ​2, 8, 2
89. Which element has the lowest electron affinity? – ​Argon
90. By whom was the calculation of electronegativities first done? – ​Pauling
91. Which element does not exist in liquid state at room temperature ? – ​Na
92. What is the most electropositive amongst the alkaline earth metals? – ​Barium
93. Which block of elements is mostly metals with high B.P., M.P. values? – ​d-block
94. Which are the vertical lines in modern periodic table called? – ​Group
95. What is horizontal line in modern periodic table called? – ​Period
96. In a period, the elements are arranged in which order? – ​Increasing charges in the nucleus
97. Which noble gas does not have octet of electrons in its outer shell? – ​He
98. Which pair of elements is in the same period of the periodic table? – ​Na, Cl
99. Why is the electron affinity of chlorine highest than that of fluorine? – ​Smaller nuclear charge
100. What is the Electron affinity of noble gases? – ​Almost zero