ASCR | SRM2

The term symbol has its basis from the Greek word ____________ meaning a sign or a token.

• tokon

• signature

• symbolon

• symbolic

John Dalton, in year 1803, symbolised ____________ elements known at that time .

• 27

• 36

• 38

• 39

The chemical symbol for mercury is ____________.

• Ag

• Mg

• Hg

• Me

The element with chemical symbol ‘Fm’ was discovered by ____________.

• Marie Curie

• Alfred Nobel

• Enrico Fermi

• Dmitri Mandeleev

The element with chemical symbol ‘Ce’ is named after ____________ which is a ____________.

• Celcius, unit of measurement

• Ceres, dwarf planet

• Ceres, state

• Cerius, Country

Which of the following does a symbol of an element indicate?

• It represents the name of an element.

• It differentiates an element from the other elements.

• It represents one atom of an element.

• All of these

Mass number of sodium is ____________.

• 22

• 23

• 11

• 12

In Dalton's classification, the letter 'O' inside a circle represented the element ____________.

• oxygen

• osmium

• calcium

• potassium

The IUPAC is an abbreviation for ____________.

• Indian Union of Pure and Applied Chemistry

• International Union of Pure and Applied Courses

• International Union of Pure and Allied Chemistry

• International Union of Pure and Applied Chemistry

Which of the following element is not named after its place of discovery?

• Cf

• Bk

• Au

• Ge