Advertisements
Advertisements
Question
Show with the help of diagram of electronic configuration how the following compound is formed from the constituent atoms.
Water
Solution
Step 1: Write the symbols of the radicals.
H O
Step 2: Write the valency below the respective radical.
H O
1 2
Step 3: Cross-multiply symbols of radicals with their respective valency.
Step 4: Write down the chemical formula of the compound.
RELATED QUESTIONS
State whether the following statement is true or false. In case a statement is false, write the corrected statement.
Iron pipes coated with zinc do not get rusted easily.
When baking soda is mixed with lemon juice, bubbles are formed with the evolution of a gas. What type of change is it? Explain.
The gas we use in the kitchen is called liquefied petroleum gas (LPG). In the cylinder, it exists as a liquid. When it comes out from the cylinder it becomes a gas (Change − A), then it burns (Change − B). The following statements pertain to these changes. Choose the correct one.
TRUE \ FALSE
Weak electrolytes dissociate partially in their aqueous or fused state.
Write true or false :
When potassium iodide solution is added to lead acetate solution a red precipitate is formed.
Explain by writing a word equation.
Limestone powder disappears on adding to dilute hydrochloric acids.
Give an example of a reaction where the following are involved
Catalyst
Give a chemical test to distinguish between the following gases.
NH3 and HCl
Write some materials prepared by chemical changes.
Melting of wax is a change where a solid changes to a liquid state. Give one more such change which you observe in your surroundings
