or a given principal level n = 4, the energy of its subshells is in the order
or a given principal level n = 4, the energy of its subshells is in the order
or a given principal level n = 4, the energy of its subshells is in the order Read More »
Atomic Structure MCQs
Which of the following statements in relation to the hydrogen atom is correct?
Which of the following statements in relation to the hydrogen atom is correct?
Which of the following statements in relation to the hydrogen atom is correct? Read More »
Which of the following element has least number of electrons in its M-shell?
Which of the following element has least number of electrons in its M-shell?
Which of the following element has least number of electrons in its M-shell? Read More »
A gas absorbs a photon of 355 nm and emits at two wavelengths. If one of the emissions is at 680 nm, the other is at
A gas absorbs a photon of 355 nm and emits at two wavelengths. If one of the emissions is at 680 nm, the other is at
Which of the following statements does not form a part of Bohrs model of hydrogen atom?
Which of the following statements does not form a part of Bohrs model of hydrogen atom?
Which of the following statements does not form a part of Bohrs model of hydrogen atom? Read More »
The electronic configuration for oxygen is written as 1s2 2s2 2p4. Which rule will this configuration be violating?
The electronic configuration for oxygen is written as 1s2 2s2 2p4. Which rule will this configuration be violating?
If an atom has four unpaired electrons. What is likely to be the total spin of the electron?
If an atom has four unpaired electrons. What is likely to be the total spin of the electron?
What is the sequence to label the subshells in an atom?
What is the sequence to label the subshells in an atom?
What is the sequence to label the subshells in an atom? Read More »
The isotopes of a neutral atom of an element differ in which of these?
The isotopes of a neutral atom of an element differ in which of these?
The isotopes of a neutral atom of an element differ in which of these? Read More »
What happens to the atomic number during a chemical reaction?
What happens to the atomic number during a chemical reaction?
What happens to the atomic number during a chemical reaction? Read More »