Advertisements
Advertisements
Question
Which of the following is a triatomic molecule?
Options
Glucose
Helium
Carbon dioxide
Hydrogen
Advertisements
Solution
Carbon dioxide
APPEARS IN
RELATED QUESTIONS
Write down the name of a compound represented by the following formula:
Al2(SO4)3
Write down the name of a compound represented by the following formula:
KNO3
Write down the name of a compound represented by the following formula:
CaCO3
Give the name of the element present in the following compound:
Quick lime
Give the name of the element present in the following compound:
Baking powder
Calculate the number of molecules of sulphur (S8) present in 16 g of solid sulphur.
Define: Atomic number
Define: Atomic number
Define: Atomic weight :
What is the atomicity of the following ?
- Oxygen
- Ozone
- Neon
- Sulphur
- Phosphorus
- Sodium
Write the formulae of the following compounds. Also name the elements present in them.
- Water
- Ammonia
- Methane
- Sulphur dioxide
- Ethanol
In what form does oxygen gas occur in nature ?
In what form do noble gases occur in nature?
What are (i) ionic compounds, and (ii) molecular compounds ? Give two examples of each type of compounds.
An element X forms the following compounds with hydrogen, carbon and oxygen :
H2X, CX2, XO2, XO3
State the three valencies of element X which are illustrated by these compounds.
Why are the symbols and formulae of substances important?
Give one example of a polyatomic molecule.
Give a reason why –
Helium is considered monoatomic, but hydrogen a diatomic molecule.
State the atomicity of the following:
Oxygen
State the atomicity of the following:
Argon
State the atomicity of the following:
Sulphur
Which of the following is a short and scientific way of representing one molecule of an element or compound?
Classify the following molecules as the molecules of element or compound
| 1. |  |
|
| 2. |  |
|
| 3. |  |
|
| 4. |  |
If a molecule is made of similar kinds of atoms, then it is called ______ atomic molecule.
The Atomicity of phosphorous is ______
Two elements sometimes can form more than one compound.
