Question

Write the symbol and valency of strontium.

Answer 1

• Strontium is the element of group 2 in the periodic table and its symbol is '$\mathrm{Sr}$'.
• The atomic number of strontium (Sr) is 38.
• The electronic configuration of strontium is [2, 8, 18, 8, 2].
• Since it has 2 electrons in its valence shell, hence its valency is 2.
• Hence, the symbol of Strontium is Sr and its valency is 2.