The goodyear blimp we usually see hovering above our heads at a football game contains 5600 m3 of helium gas. if there are 1070 kg of gas at an absolute pressure of 1.10 105 pa in the blimp, what is the temperature of the gas? the atomic mass of helium 4.00260 g/mol.
here's a clue: metals are great electrical conductors and non-metals, especially the noble gases at the very right of the period table, barely reacts (because they have a full valence shell).
the name for a binary molecular compound has the form
multiplying prefix+name of first element multiplying prefix+stem of second element element+ide (two words)
the multiplying prefixes for three and nine are tri and nona, respectively.
the stem of iodine is iod.
put them together, and the name of s₃i₉ is