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Some of the poisonous elements are

FLOURINE, ARSENIC, Mercury, LEAD,

-- ANSWER --

The following elements are poisonous

  • Aluminum
  • Antimony
  • Arsenic (metalloid)
  • Barium
  • Beryllium
  • Cadmium
  • Chlorine
  • Hexavalent Chromium Cr6+
  • Lead
  • Mercury
  • Osmium
  • Thallium
  • Vanadium
  • Polonium (metalloid)
  • Thorium
  • Radium
  • Uranium
  • Transuranium elements (e.g., polonium, americium)
  • Radioactive isotopes of metals that might not otherwise be highly toxic (e.g., cobalt-60, strontium-90)
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13y ago
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11y ago
  • That's a pretty vague question, but Plutonium, Uranium, or Hydrogen would be the most dangerous due to their use in Nuclear Weapons.
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12y ago

All halogens, (vaporous) mercury, all alkali and alkali-earth metals, arsenic, phosphorus, and many more.

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8y ago

Mercury is a liquid element and is also poisonous.

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12y ago

One poisonous element is lead.

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11y ago

Plutonium is one.

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8y ago

Mercury.

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Q: What are the three most poisonous elements?
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