Electrons are usually lost by
Tendency of atoms to acquire 8 electrons in their valence shell is
When magnesium react with oxygen, nature of bond formed is
Metals and non-metals combine to give electronic configuration of
Nitrogen molecule is formed by mutually sharing of ..... pair of electrons.
Which of the following follows the Law of Conservation of Mass in a chemical equation?
Which state of matter are the particles held by strong cohesive force?
What does the symbol $(aq)$ represent when placed after a chemical formula in an equation?
Which of the following is a decomposition reaction?
When balancing an equation, why is it incorrect to change the subscripts in a chemical formula?