Write the electronic configuration of the following ions?
(a) H- (b) Na+ (c) O2- (d) F-.
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An atom has electronic configuration 2, 8, 7. What is the atomic number of this element?
Answer : (a) The atomic number of this element is 17. (b) It would be chemically similar to F(9) with configuration as 2, 7.
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What is the general electronic configuration of d-block elements?
(−1)1−100−2 is the general electronic configuration of d-block elements
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Classify the elements into four blocks on the basis of electronic configuration?
On the basis of electronic configuration s block elements p block elements d block elements f block elements
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The electronic configuration of A is 1s^2 2s^2 2p^6 3s^2
a) Third period b) A(NO3)2 c) Conductor of electricity
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Write the general outer electronic configuration of s-, p-, d- and f- block elements.
Element General outer electronic configuration s–block ns1–2, where n = 2 – 7 p–block ns2np1–6, where n = 2 – 6 d–block (n–1) d1–10 ns0–2, where n = 4 – 7 f–block...
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Assign the position of the element having outer electronic configuration
(i) Since n = 3, the element belongs to the 3rd period. It is a p–block element since the last electron occupies the p–orbital. There are four electrons in the p–orbital....
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Write the electronic configuration of any pair of isotopes and isobars.
Two isotopes of carbon are 6C12 and 6C14 The electronic configuration of 6C12 is 2, 4. The electronic configuration...
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Which one of the following is a correct electronic configuration of sodium? (a) 2, 8 (b) 8, 2, 1 (c) 2, 1, 8 (d) 2, 8, 1
(d) The correct electronic configuration of sodium is 2, 8, 1.
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(a) Consider an arbitrary electrostatic field configuration. A small test charge is placed at a null point (i.e., where E = 0) of the configuration.
(a) Let the equilibrium of the test charge be stable. If a test charge is in equilibrium and displaced from its position in any direction, then it experiences a restoring...
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The atomic number of an element 'X' is 19. (a) Write its electronic configuration.
(a) Configuration of X (19) = 2,8,8.1. (b) It belongs to fourth period and its valency is 1. (c) Basic oxide (X2O) (d) X2O + H2O ------> 2XOH
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