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Byju's Answer

Standard XII

Chemistry

Atomic Number and Mass Number

The electroni...

Question

The electronic configuration of four elements and are given in brackets $L (1 s^{2}, 2 s^{2} 2 p^{4}); Q L (1 s^{2}, 2 s^{2} 2 p^{6}, 3 s^{2} 3 p^{5}), p (1 s^{2}, 2 s^{2} 2 p^{6}, 3 s^{1}); R (1 s^{2}, 2 s^{2} 2 p^{6}, 3 s^{2})$ The formulae of ionic compounds that can be formed between these elements are

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Solution

The correct option is C

L = oxygen; Q = Chlorine; P = Sodium; R = Magnesium

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Similar questions

Q. The electronic configuration of four element

L, P, Q

and

R

are given in brackets

L (l s^{2}, 2 S^{2}, 2 p^{4}); P (l s^{2}, 2 s^{2}, 2 P^{6}, 3 s^{1})

Q (l s^{2}, 2 s^{2} 2 P^{6}, 3 s^{2} 3 p^{5})

R (l s^{2}, 2 s^{2} 2 P^{6}, 3 s^{2})

The formulae of ionic compounds that can be formed between these elements are:

Q. The electronics configuration of four element

L, P, Q

and

R

are given in brackets

L (1 s^{2}, 2 s^{2}, 2 p^{4});

Q (1 s^{2}, 2 s^{2}, 2 p^{6}, 3 s^{2}, 3 p^{5});

P (1 s^{2}, 2 s^{2}, 2 p^{6}, 3 s^{1});

R (1 s^{2}, 2 s^{2}, 2 p^{6}, 3 s^{2});

The formulae of ionic compound that can be formed between there elements are

Q. Electronic configuration of some elements are given below:

L : 1 s^{2} 2 s^{2} 2 p^{4}

Q : 1 s^{2} 2 s^{2} 2 p^{6} 3 s^{2} 3 p^{5}

P : 1 s^{2} 2 s^{2} 2 p^{6}, 3 s^{1}

R : 1 s^{2} 2 s^{2} 2 p^{6} 3 s^{2}

The ionic compound that can be formed by these elements are:

In the figure, PQRS is a parallelogram with PQ = 16 cm and QR = 10 cm. L is a point Q on PR such that RL: LP = 2:3. QL produced meets RS at M and PS produced at N. Find the lengths of PN and RM.

Q. The electronic configuration of two elements

X

and

Y

are given below:

X = 2, 8, 2

Y = 2, 8, 7

The formula of a compound that can be formed between these two elements is:

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The electronic configuration of four elements and are given in brackets L(1s2,2s22p4);QL(1s2,2s22p6,3s23p5),p(1s2,2s22p6,3s1);R(1s2,2s22p6,3s2)The formulae of ionic compounds that can be formed between these elements are

The correct option is C L = oxygen; Q = Chlorine; P = Sodium; R = Magnesium

The correct option is C

L = oxygen; Q = Chlorine; P = Sodium; R = Magnesium