The atomic number of an atom would be equal to its mass&n...
The atomic number of an atom would be equal to its mass number if it
has a totally filled valence shell
has a high charge to mass ratio
does not contain neutrons
exhibits isotopy
Correct answer is C
- The mass number of an atom is its total number of protons and neutrons
A hydrocarbon containing 88.9% carbon has the empirical formula [H = 1 C = 12] ...
Elements X and Y have electronic configurations 1s22s22p4 and 1s22s22p...
If humid air is polluted by chlorine discharged, the air can be restored by sprinkling ...
In the diagram above, the gas produced is? ...