More details please what to select
the produce would be water and some form of salt
hope this helps
The C-H bonds (in methane) break and so do the O-O bonds (in oxygen)
<span>The reaction is :</span>
CH4 +2O2 -> CO2 + 2H2O
A rule of thumb is that elements in the same column or "group" have similar chemical properties. Answer D. has four elements that are all in group 2, or the "alkaline earth metals". The answer is <span>D. 4, 20, 38, 88</span>
The atomic number or proton number (symbol Z) of a chemical element is the number of protons found in the nucleus of every atom of that element. The atomic number uniquely identifies a chemical element. It is identical to the charge number of the nucleus. In an uncharged atom, the atomic number is also equal to the number of electrons.