Advertisements
Advertisements
प्रश्न
Give the chemical formula of sodium bicarbonate
उत्तर
It denotes in a compound, the number of atoms of element present.
∴ Formula = \[\ce{NaHCO3}\]
APPEARS IN
संबंधित प्रश्न
What happens to the number of valence electrons in the atoms of elements as we go down in a group of the periodic table?
Explain why, the first period of the periodic table has only two elements whereas second period has eight elements
What is the number of elements in the 3rd period, of the modern periodic table?
Give the symbol and valency of the following element and radical.
Magnesium
Give the symbol and valency of the following element and radical.
Nitrogen [Nitride]
Give the chemical formula of carbonic acid
Fill in the blank:
The element lithium in the Modern Periodic Table with valency 1+ belongs to the group ______.
p-block is composed of groups 1 and 2.
On moving from left to right in a period in the periodic table, the size of the atom ______
- Write the electronic configuration of element X, given by its symbol as under: \[\ce{^40_20 X}\]
- Determine its position in the modem periodic table.
- What is the nature of its oxide?
- Name one other element of its group.
