Advertisements
Advertisements
प्रश्न
Give the chemical formula of sodium bicarbonate
Advertisements
उत्तर
It denotes in a compound, the number of atoms of element present.
∴ Formula = \[\ce{NaHCO3}\]
APPEARS IN
संबंधित प्रश्न
On the basis of electronic configuration, how will you identify the first element of a period?
Name the metals in the first twenty elements.
Answer the following in respect of element `31/15 P `
To which group and period does it belong?
Two elements P and Q belong to the same period of the modern periodic table and are in group 1 and group 2, respectively. Compare the following characteristics in the tabular form.
- Number of electrons in their atoms
- Their tendency to lose electrons
- Their metallic characters
- Formation of their oxides
- Formulae of their chlorides
Give the symbol and valency of the following element and radical.
Ammonium
Give the symbol and valency of the following element and radical.
Sulphate
State what is meant by the term chemical formula.
State what the group number in the Modern Periodic Table signifies. Give a reason why elements in the same group, have similar valency and similar chemical properties.
The groups 1 and 2 constitute the _______ block.
Which of the following statements about the Modern periodic table is correct?
