Trivia about Chemistry

Which of the following scientists was awarded the Nobel Prize in 1911 for the discovery of the radioactive elements, radium and polonium?

• John Dalton

• Dmitri Mendeleev

• Emil Fischer

• Marie Curie

Which of the following pairs of German scientists discovered the atomic fission of uranium and set the stage for the nuclear age?

• Hahn and Strassman

• Nernst and Planck

• Ostwald and Heisenberg

• Bohr and Rutherford

How many electrons can occupy an s orbital?

• one

• two

• three

• four

Which of the following pairs do NOT show similar chemical properties?

• fluorine-argon

• beryllium-aluminum

• boron-silicon

• lithium-magnesium

Which of the following is NOT a physical property of crystalline boron?

• brown color

• diamond hardness

• brittleness

• high electrical resistance

Which noble gas has the highest melting point ?

• argon

• krypton

• xenon

• radon

The halogen with the largest atomic radius is:

• Cl

• I

• Br

• At

Of the following, which has units of "Pascal".

• force

• volume

• pressure

• viscosity

Which of the following is the element represented by the symbol B?

• Barium

• Bismuth

• Boron

• Beryllium

In the periodic table, which of the following identifies a horizontal row?

• period

• group

• family

• series