Write down the relative atomic number of some elements.
Difficulty: Easy
Relative atomic masses of some elements:
Element |
Relative atomic masses |
Element |
Relative atomic masses |
H |
1.008 amu |
Al |
26.9815 amu |
N |
14.0067 amu |
S |
32.06 amu |
O |
15.9994 amu |
Cl |
35.453 amu |
Na |
22.9898 amu |
Fe |
55.847 amu |