Magnesium has 12 as its atomic number, how many protons does it have?
12 -the proton number of an atom is also its atomic number
JJ
Related Chemistry GCSE answers
All answers ▸Balance the equation and write the products of this reaction. _Mg + _HCl -> _...... +_ ......
Explain why rate of reaction increases when temperature increases.
How do I calculate the relative formula mass of Calcium carbonate (CaCO3)
A Solution of NaOH had a concentration of 40g/dm3. What mass of NaOH would there be in 250cm3 of the solution?