en thallium ion (n)
― IsA ⟶
Weight: 1.0
en thallium atom (n) Source: OpenCyc 2012
en thallium ion (n)
― IsA ⟶
Weight: 1.0
en variable charge cation (n) Source: OpenCyc 2012
en thallium ion (n)
― IsA ⟶
Weight: 1.0
en atomic ion (n) Source: OpenCyc 2012