Which of the following determines the chemical properties?
Which of the following determines the chemical properties?
Which of the following determines the chemical properties? Read More »
Atomic Structure MCQs
An atom has mass number 37 and atomic number 17. Find the number of protons
An atom has mass number 37 and atomic number 17. Find the number of protons
An atom has mass number 37 and atomic number 17. Find the number of protons Read More »
Nickel has atomic number 28. Choose the correct electronic configuration for Nickel
Nickel has atomic number 28. Choose the correct electronic configuration for Nickel
Nickel has atomic number 28. Choose the correct electronic configuration for Nickel Read More »
A neutral atom of an element has 2 electrons in the first energy level, 8 in the second energy level and 8 in the third energy level. This information does not necessarily tell us
A neutral atom of an element has 2 electrons in the first energy level, 8 in the second energy level and 8 in the third energy level. This information does not necessarily tell us
How many p electrons are there in an atom of rubidium?
How many p electrons are there in an atom of rubidium?
How many p electrons are there in an atom of rubidium? Read More »
Which one of the following sets of quantum numbers could be those of the distinguishing (last) electron of Mo?
Which one of the following sets of quantum numbers could be those of the distinguishing (last) electron of Mo?
In the ground state of a cobalt atom there are _____ unpaired electrons and the atom is _____
In the ground state of a cobalt atom there are _____ unpaired electrons and the atom is _____.
The outer electronic configuration ns2np4 corresponds to which one of the following elements in its ground state?
The outer electronic configuration ns2np4 corresponds to which one of the following elements in its ground state?
Which of the following electron configurations is correct for nickel?
Which of the following electron configurations is correct for nickel?
Which of the following electron configurations is correct for nickel? Read More »
The ground state electron configuration for arsenic is
The ground state electron configuration for arsenic is
The ground state electron configuration for arsenic is Read More »