Assertion: tellurium | /r/HasProperty | the lightest element
Facets:
value: with isotopes 104te
type: OTHER
value: with the exception of beryllium
type: OTHER
Source sentences:
text: With the exception of beryllium, tellurium is the lightest element observed to commonly undergo alpha decay, with isotopes 104Te to 109Te being seen to undergo this mode of decay.
text: Tellurium has radioactive isotopes and is the lightest element to exhibit alpha decay.
text: Tellurium is the lightest element to exhibit alpha decay.
text: With the exception of beryllium, tellurium is the lightest element observed to commonly undergo alpha decay, with isotopes 104Te to 109Te being seen to undergo this mode of decay.