Elements and Atoms FA

Which of the following symbols is incorrect?

• F

• FE

• C

• Cl

Select all the ways you can name an element

• After a geographical location or celestial body

• After the discoverer or other scientists

• After local names

• After Latin names of the element or compounds of the element

Which of the options is not a convention for giving the symbols of elements?

• Symbols always have first letter as uppercase

• Symbols always have second letter lowercase

• Symbols can be derived from any language

• Symbols can be derived from Latin names of elements

Which element is the most abundant in the universe?

• Carbon

• Hydrogen

• Helium

• Iron

Check True/False:

Gold is the rarest element on earth.

• True

• False

Check True/False:

Hydrogen is the most abundant element on the earth.

• True

• False

Check True/False:

Carbon is the element abundant in living beings.

• True

• False

The pure elements can be burned to test for their presence and produce distinct colours. This is called ________________.

Which of these was the first element to be discovered?

• C

• P

• Al

• Si

Which event led to the formation of elements heavier than hydrogen and helium

• The Big Bang

• The supernova explosion

• The fusion of hydrogen atoms in the core of a star

• The formation of a dwarf star