Answer:
the second one seems right :)
Explanation:
Answer:(3)
Explanation: 2Al+3H2SO4----->Al(2SO4)3+3H2
I think its C: due to mixing and oceanic.....
Answer:
According to the modern periodic law, the properties of the elements and their compounds are a periodic function of their atomic numbers. Thus, in the modern periodic table, atomic number forms the basis of the classification of elements;The modern table is called 'long form' of the periodic table.
hope this helps
