MEDIUM
11th ICSE
IMPORTANT
Earn 100

Which of the following will violate Aufbau principle as well as Pauli’s exclusion principle?

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Important Questions on Structure of Atom

EASY
11th ICSE
IMPORTANT
ALL IN ONE ISC Chemistry CLASS 11>Chapter 2 - Structure of Atom>Chapter Practice>Q 2
The atomic number of an element is 35 and its mass is 81. The number of electrons in its outermost shell is
MEDIUM
11th ICSE
IMPORTANT
ALL IN ONE ISC Chemistry CLASS 11>Chapter 2 - Structure of Atom>Chapter Practice>Q 2
Total number of orbitals associated with third shell will be
MEDIUM
11th ICSE
IMPORTANT
ALL IN ONE ISC Chemistry CLASS 11>Chapter 2 - Structure of Atom>Chapter Practice>Q 2
Number of angular nodes for 4d orbital is
MEDIUM
11th ICSE
IMPORTANT
ALL IN ONE ISC Chemistry CLASS 11>Chapter 2 - Structure of Atom>Chapter Practice>Q 4
Calculate the amount of energy required to remove the only electron present in the hydrogen atom.
EASY
11th ICSE
IMPORTANT
ALL IN ONE ISC Chemistry CLASS 11>Chapter 2 - Structure of Atom>Chapter Practice>Q 5
The minimum energy required to eject an electron from a metal is 4.34×10-19 J. What is the minimum frequency of light required for photoelectric effect in the metal?
HARD
11th ICSE
IMPORTANT
ALL IN ONE ISC Chemistry CLASS 11>Chapter 2 - Structure of Atom>Chapter Practice>Q 6
Give the name and atomic number of the inert gas atom in which the total number of d-electrons is equal to the difference between the numbers of total p and s-electrons.
EASY
11th ICSE
IMPORTANT
ALL IN ONE ISC Chemistry CLASS 11>Chapter 2 - Structure of Atom>Chapter Practice>Q 7
What is the difference between ground state and excited state?
MEDIUM
11th ICSE
IMPORTANT
ALL IN ONE ISC Chemistry CLASS 11>Chapter 2 - Structure of Atom>Chapter Practice>Q 8
Write the electronic configuration of a divalent ion of a coinage metal.