Select the Pair of Substances in Which the One with the Lower

question 98

Multiple Choice

Select the pair of substances in which the one with the lower vapor pressure at a given temperature is listed first.

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Definitions:

Vanadium

A chemical element with symbol V and atomic number 23, known for its strong structural metals and use as a catalyst.

Technetium

A chemical element with symbol Tc and atomic number 43, notable for being the lightest element whose isotopes are all radioactive.

Noble Gases

A group of chemical elements with similar properties under standard conditions, including being odorless, colorless, monatomic gases with very low chemical reactivity.

Inert Gases

A group of gases which are non-reactive under a set of given conditions, including helium, neon, argon, krypton, xenon, and radon.