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प्रश्न
State the type of element for the following:
Silicon
पर्याय
Metal
Non-metal
Metalloid
Noble gas
उत्तर
Metalloid
APPEARS IN
संबंधित प्रश्न
What do you understand by :
Noble gases
Give a reason why elements are tabulated in a table called the ‘Periodic table’.
Give the symbol of the following element:
Lead
Give the symbol of the following element:
Iodine
State the type of element for the following:
Calcium
Write the chemical formula of the following:
Sodium bromide
Give a reason – Magnesium [2, 8, 2] has valency 2+.
Certain metal exhibit variable valencies which include valencies: 1+, 2+, 3+, and 4+.
State the variable valency of the following metal.
Mercury
write symbol with the variable valency
State whether the following ion or radical given below of a non-metallic element exhibits valency: 1–, 2– or 3–. (write the ion or radical with the correct valency).
Bisulphite
State whether the following ion or radical given below of a non-metallic element exhibits valency: 1–, 2– or 3–. (write the ion or radical with the correct valency).
Aluminate
