Choose one or more: A. Iron is the heaviest element on the periodic table. O B. Iron is electrically conductive. C. Iron is ferromagnetic. D. Fusing iron in the core would absorb energy rather than release it. O E. Iron causes the core to collapse. O O O O O

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A: We have given that For K ∆Hfus = 2.33 kJ/mole = 2330 J/mole                       Tm = 336 K   ∆Hvap…

A: (A) Writing down the balanced chemical equation: N2O4(l) + 2 N2H4(aq) ----> 3 N2(g) + 4 H2O(l)…

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A: All the chemical elements of the periodic table can be broadly divided into three categories,…

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A: Atomic radius is defined as the total distance present from the nucleus of an atom to the outermost…

A: The equation given is  M: →M2+ + 2 e–

A: A periodic table is an arrangement of atoms in the increasing order of their atomic number. The…

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A: Representative elements are main group elements. They are s-block and p-block elements. There are…

A: In Mendeleev’s periodic table elements are arranged in the increasing order of their atomic mass.…

A: Here is a balanced reaction:14 H+ (aq) + Cr2O7 2- (aq) + 6 Cl- (aq) ➔ 2 Cr3+(aq) + 7 H2O (l) + 3 Cl2…

A: Given are a pair of period 2 elements.To find the pair which is more stable.

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A: Transuranic elements:- The elements of actinoid series having the atomic number greater than 92.…

A: 1 mole = 6.022×1023 [ Avogadro's number ] The mass of 1 mole of atoms of an element is called its…

A: Different energy levels in the atom correspond to the different principal quantum number values (n)…

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A: Answer:Higher the number of free electrons in a substances, better conductor of heat and electricity…

A: The configuration of group VIII- A elements is ns2 np6. These are called noble gases. These elements…

A: -> Ionic compounds are composed of a positive ion and a negative ion bonded together in a…

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A: ii) Valence electrons are involved in Reaction B but not in Reaction A. True

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A: Bondlength is the distance between  nuclei of two atoms. It is generally in the order of picometer…

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A: Metals are usually crystalline solids. In most cases, they have a relatively simple crystal…