What is electron, proton and neutron ? What is the number of neutron in sodium ?

protons are found in the nucleus but neutrons can be used to determine atomic number and mass number

but I don't know the number of neutrons in sodium

b. read the phase at the intersection of any given temperature and pressure.

nucleic acid molecules are incredibly complex, containing the code that guarantees the four different nucleotide units comprise dna, the nucleic acid of interest to the genealogist. and one of four nitrogen-containing molecules called nucleotides