CBSE Class 10 Periodic Classification of Elements — practice questions
40 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice CBSE Class 10 Periodic Classification of Elements in the app →Who put forward the law of triads?Newlands' law of octaves stated that every:Mendeleev arranged elements primarily in order of:The modern periodic table is based on:How many periods does the modern periodic table have?What is the valency of an element with electronic configuration 2, 8, 3?Atomic radius generally DECREASES across a period because:Which is the most reactive metal?Which property INCREASES on going down a group?Which element has the highest electronegativity in the periodic table?How does metallic character change down a group?Sodium (atomic number 11) belongs to which group and period?Which of the following has the largest atomic radius?Which trend is followed by ionisation energy across a period?Which set lists representative elements (s-block and p-block) only?Which pair shows the diagonal relationship in the periodic table?Across period 3, which element forms the most acidic oxide?Why is potassium more reactive than sodium?How does the size of a cation compare with its parent atom?Which is the most non-metallic element of group 16?Why are the noble gases very stable chemically?Mendeleev predicted the existence of an element he called eka-silicon, later identified as:Upto which element, the Law of Octaves was found to be applicableAccording to Mendeleev's Periodic Law, the elements were arranged in the periodic table in the order ofWhere would you locate the element with electronic configuration 2,8 in the Modern Periodic Table?An element which is an essential constituent of all organic compounds belongs toWhich of the following is the outermost shell for elements of period 2?Which one of the following elements exhibit maximum number of valence electrons?Which of the following gives the correct increasing order of the atomic radii of O, F and N?Which among the following elements has the largest atomic radii?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?Which one of the following does not increase while moving down the group of the periodic table?On moving from left to right in a period in the periodic table, the size of the atom.Which of the following set of elements is written in order of their increasing metallic character?