actinides
Meaning
A group of chemical elements that includes 15 metallic elements from actinium through to lawrencium, with atomic numbers 89 to 103. (একটি মৌলিক রসায়ন দলের অন্তর্ভুক্ত মৌল, যা 89থ থেকে 103তম মৌল পর্যন্ত থাকে।)
Pronunciation
অ্যাকটিনাইডস (ā'ekṭinā'iḍs)
Synonyms
uranides, transuranic elements, radioactive elements, metals, actinium, thorium, plutonium, neptunium
Synonyms
Uranides are often classified with actinides due to their similar properties.
Transuranic elements are part of the actinide series.
Many radioactive elements belong to the actinides group.
Actinides are a specific group of metals.
Actinium is the first element in the actinide series.
Thorium is a silvery metal in the actinide series.
Plutonium is well-known for its use in nuclear applications.
Neptunium is primarily produced from uranium in nuclear reactors.
Antonyms
Non-metals are typically not included in the actinides grouping.
Noble gases do not share properties with actinides.
Alkali metals differ significantly from actinides.
Halogens do not possess the qualities seen in actinides.
Carbon-based elements have no relation to actinides.
Insulators lack the conductivity seen in actinides.
Transition metals are used in different contexts than actinides.
Alkaline earth metals do not have characteristics associated with actinides.
Phrases
The actinide series is located below the lanthanide series in the periodic table.
Actinides undergo radioactive decay, which makes their study important.
Nuclear chemistry significantly pertains to the study of actinides.
Actinides are often categorized as heavy metals.
The elemental composition of actinides can be quite complex.