UP Board Class 10 Classification of Elements — practice questions
12 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice UP Board Class 10 Classification of Elements in the app →Mendeleev arranged elements primarily in order of:What is the valency of an element with electronic configuration 2, 8, 3?Sodium (atomic number 11) belongs to which group and period?Which trend is followed by ionisation energy across a period?Which of the following elements would lose an electron easily?Which of the following elements does not lose an electron easily?Arrange the following elements in the order of their decreasing metallic character Na, Si, Cl, Mg, AlArrange the following elements in the order of their increasing non-metallic character Li, O, C, Be, FWhat type of oxide would Eka-aluminium form?Three elements B, Si and Ge areWhich of the following elements will form an acidic oxide?On moving from left to right in a period in the periodic table, the size of the atom.