Advertisements
Advertisements
प्रश्न
Which of the following symbols of elements are incorrect? Give their correct symbols
- Cobalt CO
- Carbon c
- Aluminium AL
- Helium He
- Sodium So
Advertisements
उत्तर
- Cobalt – Co
- Carbon – c
- Aluminium – A1
- Helium – He (correct)
- Sodium – Na
APPEARS IN
संबंधित प्रश्न
Give two symbols which have been derived from the " Latin names" of the elements.
Out of ozone, phosphorus, sulphur and krypton, the elements having the lowest and highest atomicities are respectively :
Fill in the blank:
Symbol represents _____ atom(s) of an element.
Give the symbol of the following element:
Potassium
State the type of element for the following:
Fluorine
State the type of element for the following:
Xenon
Write the chemical formula of the following:
calcium sulphide
Give the formula of the following gas:
Carbon monoxide
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
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).
Nitride
