The number of shared pair of electrons in a molecule of methane is
Isotopes of the same element have similar chemical properties because they have the same number of
Which of the following household liquids would be effective in treating someone with too much acid in the stomach?
The percentage by mass of Oxygen in MgSO\(_4\).7H\(_2\)O is [ M\(_r\) of MgSO\(_4\).7H\(_2\)O = 246 ]
Catalysts alter reaction rates by
