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प्रश्न
State the type of element for the following:
Bromine
विकल्प
Metal
Non-metal
Metalloid
Noble gas
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उत्तर
Non-metal
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संबंधित प्रश्न
The Latin language name of an element is natrium. The English name of this element is :
The formula of the sulphate of an element M is M2(SO4)3
Write the formula of it
Oxide
Fill in the blank:
Dalton used symbol _____ for oxygen and _____ for hydrogen.
Give the symbol of the following element:
Zinc
State the most reactive and the least reactive metal from the following – Zn, Ag, Na, Fe, Cu, Pb.
Write the radical of the following valency:
Sulphate
Certain metal exhibit variable valencies which include valencies: 1+, 2+, 3+, and 4+.
State the variable valency of the following metal.
Lead
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).
Iodide
Name the elements with the following symbols.
- Na
- W
- Ba
- Al
- U
Which of the following symbols of elements are incorrect? Give their correct symbols
- Cobalt CO
- Carbon c
- Aluminium AL
- Helium He
- Sodium So
