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प्रश्न
State the type of element for the following:
Sodium
विकल्प
Metal
Non-metal
Metalloid
Noble gas
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उत्तर
Metal
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संबंधित प्रश्न
The scientist who proposed the first letter (or first letter and another letter) of the Latin or English name of
an element as its symbol, was :
Select the correct answer from the choice given below.
The type of element-phosphorus
Give the symbol of the following element:
Nitrate
Write the radical of the following valency:
Phosphate
Certain metal exhibit variable valencies which include valencies: 1+, 2+, 3+, and 4+.
State the variable valency of the following metal.
Iron
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).
Bicarbonate
What does the symbol '⇌' present in a chemical equation, mean?
Fill in the blank with the correct word from the options given below:
A symbol represents a short form of a / an ________.
______ of some elements are derived from Latin or Greek names of the elements.
Which of the following symbols of elements are incorrect? Give their correct symbols
- Cobalt CO
- Carbon c
- Aluminium AL
- Helium He
- Sodium So
