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1. The atom having the biggest atomic size from period 2.Ans: Lithium (Li) 2. The atom having the smallest atomic radius from zero group.Ans: Helium (He) 3. The family of group 1 elements.Ans: Alkali metals 4. Highest reactive nonmetal.Ans: Fluorine (F) 5. The element having stable electron configuration from the third period.Ans: Argon (Ar) 6. […]

1. According to Newland’s octave rule, chlorine shows similarity with fluorine. Because, chlorine is …………………Ans: According to Newland’s octave rule, chlorine shows similarity with fluorine. Because, chlorine is the eighth element from fluorine. 2. According to Mendeleev’s periodic law properties of elements are ……………….Ans: According to Mendeleev’s periodic law properties of elements are a periodic

1. Element A and B follows the Newland’s octaves rule. How many elements are there in between A and B?Ans: Element A and B follows the Newland’s octaves rule and six elements are there in between A and B. 2. Write the characteristic of Dobereiner’s triads?Ans: In each triad, the elements were placed according to

1. F, K, Cl, IAns: KK is placed in group 1 while others are placed in group 17 of the modem periodic table. 2. Lithium, Sodium, Magnesium, PotassiumAns: MagnesiumMagnesium is an alkaline earth metal while others are alkali metals. 3. Beryllium, Helium, Neon, ArgonAns: BerylliumBeryllium is an alkaline earth metal while others are noble gases.

1. Eka boron : Scandium :: Eka Aluminum : _________Ans: Eka boron : Scandium :: Eka Aluminum : Gallium 2. Mendeleev’s periodic table : atomic mass :: Modem periodic table : _________Ans: Mendeleev’s periodic table : Atomic mass :: Modem periodic table : Atomic number 3. Group 1 and 2 : s block :: group

1. A …………… is necessary to change the speed as well as the direction of motion of an object. (A) force            (B) inertia              (C) momentum         (D) motion 2. The orbit of a planet revolving around a star is ………….. (A) circular 

Download Question Bank here.. Q.1 (A) Choose the correct option in the multiple choice answer for the following questions: updated Q.1 (B) I. Find the correlation. updated Q.1 (B) II. Find odd one out and give its explanation. updated Q.1 (B) III. Answer the following questions in one sentence. updated Q.1 (B) IV. Match the