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1s2, 2s2, 2p6 3s1 shows configuration of:
(1) Al3+ in ground state
(2) Ne in excited state
(3) Mg+ in excited state
(4) None of these
Ans: Mg+ in excited state
What are similarities and differences of primitive cells and unit cells? Ans: Unit cell is the basic building block of a crystal, repeated infinitely in three d
delta value
Borax bead test : The transparent glassy bead while heated along with inorganic salt and the colour produced gives some idea of cation present in it. Table:
physical properties of salicylic acid?
#question. what are paints
Ask question #Minimum 100 words acceWhen an electron beam strikes a block of copper, x-rays of frequency 1.07 x 10 19 Hz are emitted. What is the wavelength of these x-rays?pted#
conclusion for the project
reactivity of f-block elements
how to express nernst equation by daniel cell? as we have taken mass of subsstance insted of concentration
An element has the electronic configuration 1s 2 , 2s 2, 2p 6 , 3s 2 , 3p 2 . Its valency electrons are: (1) 6 (2) 2 (3) 3 (4)4 Ans: 4
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