• 1, for hydrogen: Abbr.
• 1.0079, for hydrogen: abbr.
• 1.008 for hydrogen, e.g.
• 12, for carbon: Abbr.
• 4 for He, e.g.
• 6.941 for Li
• Al's is almost 27
• Bit of elementary knowledge?: Abbr.
• Certain soap, initially
• Chem class abbr.
• Chem. chart figure
• Element abbr.
• Element datum: abbr.
• Element fig.
• Elemental stat.
• Elementary abbr.
• Elementary figure: Abbr.
• It's higher for B than for Be
• It's just under 27 for Al
• Meas. of an element
• Na, Ne, or Ni no.
• No. for Na or Ni
• No. on a certain table
• No. on a periodic table
• No. on a table
• Number under a chem. symbol
• Periodic table abbr.
• Periodic table amt.
• Periodic table datum: Abbr.
• Periodic table fig.
• Periodic table info: abbr.
• Periodic table no.
• Periodic table stat
• Physicist's abbr.