| | - Teacher Name : Rakesh
- Total Questions : 32
- Time Allowed : 60
- Total Marks : 32
Q 1 :14 elements after actinium are together called Q 2 :Newlands arranged the elements in a periodic table on the basis of his law called the Q 3 :What type of oxide would be formed by Eka-aluminium? Q 4 :How many periods and groups are present in the modern periodic table ? Q 5 :On moving from left to right in a period of the periodic table, The size of the atoms Q 6 :which of the following has maximum non-metallic character? Q 7 :An element X from group 2 of the periodic Table reacts with element Y from group 17 to form a compound. Give the formula of the compound. Q 8 :Elements of which of the following sets does not belong to the same group? Q 9 :Identify the group of elements given below that does not form a Dobereiner's triad. Q 10 :The elements A, B and C belong to group 2, 14 and 16 respectively, of the periodic table. Which of the two elements will form covalent bonds? Q 11 :Three elements B, Si and Ge are Q 12 :The law of octaves was found to be applicable up to Q 13 :The neutral atom in the periodic table which has the same number of electrons as K+ and CI-is Q 14 :Which of the following oxides is most basic? Q 15 :Which of the following is the outermost shell for elements of period2? Q 16 :An element "A" belongs to the third period and group 16 of the periodic table. The valency of A is Q 17 :Which of the following forms the basis of the modern periodic table? Q 18 :The light liquid metal is Q 19 :The properties of eka - alumininum predicted by mendeleev are the same as the properties of later discovered element Q 20 :The elements ofgroup 16 are called Q 21 :which of the following is not the characteristic of isotopes of an element? Q 22 :Element X forms a chloride with the formula XCI2, wchich is a solid having a hight melting ponit. X would most likely be in the same group of the periodic table as Q 23 :At the time of Mendeleev, the number of elements known was Q 24 :The correct order of the increasing radii of the elements Na, Si, A1 and P is Q 25 :In the modern periodic table, the metals among the first ten elements are Q 26 :The modern periodic Law was formulated by Q 27 :Which of the following is not true about the noble gases? Q 28 :What happens to the electropositive character of elements on moving from left to right ina periodic table? Q 29 :Carbon belongd to the second period and group 14 while silicon belongs to the third period and group 14 of the periodic table. If atomic number of carbon is 6, the atmic number of silicon will be Q 30 :An element with which of the following atomic numbers will form a basic oxide? Q 31 :Which of the following is the atomic number of an element that forms basic oxide? Q 32 :Which of the following elements will form an acidic oxide?
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