Advertisements
Advertisements
प्रश्न
State the atomicity of the following:
Oxygen
Advertisements
उत्तर
Diatomic
APPEARS IN
संबंधित प्रश्न
Write down the name of a compound represented by the following formula:
CaCl2
Write down the name of a compound represented by the following formula:
KNO3
Give the name of the element present in the following compound:
Quick lime
Give the name of the element present in the following compound:
Hydrogen bromide
Give the name of the element present in the following compound:
Baking powder
Give the name of the element present in the following compound:
Potassium sulphate
Calculate the number of molecules of sulphur (S8) present in 16 g of solid sulphur.
State the term.
The number of atoms present in a molecule of an element _________
Define: Atomic number
What is the atomicity of the following ?
- Oxygen
- Ozone
- Neon
- Sulphur
- Phosphorus
- Sodium
In what form does oxygen gas occur in nature ?
What is the difference between the molecule of an element and the molecule of a compound ? Give one
example of each.
Work out the formula for magnesium hydrogencarbonate.
An element A forms an oxide A2O5.
What is the valency of element A ?
Calculate the mass of 3.011 × 1024 atoms of carbon.
Correct the following statement:
A molecule of sulphur is monoatomic.
Explain the term – molecules. Give three examples of atoms of the same element forming a molecule. State the atomicity of the same.
Give one example of a triatomic molecule
State the atomicity of the following:
Neon
Which of the following is a short and scientific way of representing one molecule of an element or compound?
State true of false. If false, give the correct statement.
NaCl represents one molecule of sodium chloride.
Classify the following molecules as the molecules of element or compound
| 1. |  |
|
| 2. |  |
|
| 3. |  |
|
| 4. |  |
Which of the following is a triatomic molecule?
The Atomicity of phosphorous is ______
Two elements sometimes can form more than one compound.
Derive the relationship between Relative molecular mass and Vapour density.
