Periodic table of Elements anybody?

2 ⤊

Okay you are suppossed to find out what word on the pte and the clue is: I AM A GAS WITH A MASS NUMBER OF 19.

2007-10-20 14:01:43 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Chemistry

fluorine

btw - the clue is flawed, the pte has atomic masses of elements on it, NOT mass numbers - mass numbers are for individual isotopes

2007-10-20 14:07:14 · answer #1 · answered by chem geek 4 · 1⤊ 0⤋

Fluorine has atomic mass number 19

2007-10-20 21:07:20 · answer #2 · answered by steve_geo1 7 · 1⤊ 0⤋