Which of the following are the characteristics of isotopes of an element?
Which of the following are the characteristics of isotopes of an element?
Which of the following are the characteristics of isotopes of an element? Read More »
Periodic Table MCQs
Element ‘A’ has electronic configuration 2, 7; ‘B’ has electronic configuration 2, 8, 5 and ‘C’ has electronic configuration 2, 8, 7. Which two elements will exhibit similar chemical properties?
Element ‘A’ has electronic configuration 2, 7; ‘B’ has electronic configuration 2, 8, 5 and ‘C’ has electronic configuration 2, 8, 7
Arrange the following elements in the order of their increasing non-metallic character
Arrange the following elements in the order of their increasing non-metallic character
Arrange the following elements in the order of their increasing non-metallic character Read More »
Which of the following gives the correct increasing order of the atomic radii of O, F and N?
Which of the following gives the correct increasing order of the atomic radii of O, F and N?
Which of the following property will be common in group 1 elements?
Which of the following property will be common in group 1 elements?
Which of the following property will be common in group 1 elements? Read More »
Which of the following elements does not lose an electron easily?
Which of the following elements does not lose an electron easily?
Which of the following elements does not lose an electron easily? Read More »
The valence shell of element A contains 3 electrons while the valence shell of element B contains 6 electrons. If A combines with B, the probable chemical formula of the compound is
The valence shell of element A contains 3 electrons while the valence shell of element B contains 6 electrons
An atom of an element has the electronic configuration 2, 8, 2. To which group does it belong?
An atom of an element has the electronic configuration 2, 8, 2. To which group does it belong?
The amount of energy released when one or more electrons is added to the neutral atom is
The amount of energy released when one or more electrons is added to the neutral atom is
The amount of energy released when one or more electrons is added to the neutral atom is Read More »