Periodic Table Quiz III
What is the most electronegative element on the periodic table?
- Fluorine, with an electronegativity of 3.98, is the most electronegative element on the periodic table.
Which element is the densest?
- Osmium, with a density of 22.59 g/cm³, is the densest naturally occurring element.
What element has the atomic number 1?
- Hydrogen, with an atomic number of 1, is the first element on the periodic table.
Which element is liquid at room temperature?
- Mercury is unique among the elemental metals for being liquid at room temperature.
Who is the element Curium named after?
- Curium is named in honor of both Pierre and Marie Curie, the famous husband and wife scientists who were pioneers in the study of radioactivity.
Which element has the lowest boiling point?
- Helium, with a boiling point of -452.074 F, has the lowest boiling point of all elements.
What is the last element on the periodic table?
- Oganesson (Og) is a noble gas with an atomic number of 118, so it is the last element on the periodic table.
Which element has the symbol "Au"?
- The symbol "Au" represents Gold, from its Latin name "aurum".
Which is the most abundant gas in the Earth's atmosphere?
- Nitrogen, making up about 78% of the Earth's atmosphere by volume, is the most abundant gas.
What is the hardest naturally occurring substance?
- Diamond, a form of carbon, is the hardest naturally occurring substance known.
