Question

Question 24Which one of the following would NOT be possible as an electron configuration? Question 24...

Question 24Which one of the following would NOT be possible as an electron configuration?

Question 24 options:

[Ar] 4s2 3d3

[Ne] 3s2 3p1

[Kr] 5s1 4d5

[Xe] 5s2 4d10 5p4

[Ar] 4s2 3d10 4p5

Question 25 A student runs the reaction below starting with 23 grams of ammonia (NH3). How many grams of water should form?

4 NH3 + 5 O2 → 4 NO + 6 H2O

NH3 molar mass = 17.04 g/mol.   H2O molar mass = 18.02 g/mol

Question 26 What is the frequency of light with a wavelength of 6.01 x 10 –15 m? (c = 3.00 x 108m/s)

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Answer #1

26)

Relation between frequency () and walength () is given by

Where c is the velocity of light

Electronic configuration of Xe (Z=54) is

Already 5s24d105p4 is a part of Xenon configuration. Hence it is wrong. Option 4 is wrong

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