Chlorine-the chemical element of atomic number 17, a toxic, irritant, pale green gas
atomic number-the number of protons in the nucleus of an atom, which determines the chemical properties of an element and its place in the periodic table.
Answer:
If you multiple 1.02 × 2 = 2.04 meter, it is the total length of DNA in human diploid cells.
Explanation:
2 is B. Water freezes and 4 is the rock breaks.