The diagram above represents an atom of
...The diagram above represents an atom of
magnesium
helium
chlorine
neon
Correct answer is A
The diagram refers to an atom with electronic configuration 2,8,2 hence the atomic number = 12. From the periodic table, we have the atom to be Mg (Magnesium).
How many unpaired electron(s) are there in the nitrogen sub-levels? ...
When iron rusts, it undergoes ...
The molecular lattice of iodine is held together by ...
What is the chemical symbol for Tungsten? ...
2C2H2(g) + 5O2(g) → 4CO2(g) + 2H2O(g) In the reaction above, the mass of carbon(IV)oxide produced...
What is the chemical symbol for Gallium? ...
The function of limestone in the extraction of iron in the blast furnace is...
The IUPAC nomenclature for the compound above is...
Zn (s) + CuSO 4(aq) → ZnSO 4(aq) + Cu (s) In the reaction above, the oxidation number of the redu...
In the electrolysis of CuSO4(g) using platinum electrodes, the reaction at the anode is ...