Advertisements
Advertisements
Question
Write the formula of the following compound:
Aluminium nitrate
Advertisements
Solution
Aluminium nitrate - Al[NO3]3 - `"Al"^(3+)"NO"_3^(1-)`
APPEARS IN
RELATED QUESTIONS
Name the elements water is made of. What are the valencies of these elements ? Work out the chemical
formula for water.
An element B shows valencies of 4 and 6. Write the formulae of its two oxides.
Correct the following statement:
A molecular formula represents an element.
Identify the following substance:
An alkaline gas A which gives dense white fumes with hydrogen chloride.
What is a chemical formula? What is the significance of a formula?give an example to illustrate?
Write the formula of the following compound:
Sodium bisulphate
Write the formula of the following compound:
Sodium hydroxide
Write the formula of the following compound:
Sodium bisulphite
Write the formula of the following compound:
Calcium bisulphite
Write the formula of the following compound:
Calcium sulphite
Write the formula of the following compound:
Magnesium chloride
Write the formula of the following compound:
Aluminium chloride
Write the formula of the following compound:
Aluminium hydroxide
Write the formula of the following compound:
Aluminium oxide
Write the formula of the following compound:
Iron [III] oxide
Write the formula of the following compound:
Lead [II] nitrate
Write the formula of the following compound:
Lead [II] sulphate
State of the following formula of a compound is incorrect. Incorrectly write the correct formula.
Mg(SO4)2
Complete the following crossword puzzle (Fig. 3.1) by using the name of the chemical elements. Use the data given in Table.
| Across | Down | ||
| 2 | The element used by Rutherford during his α–scattering experiment | 1 | A white lustrous metal used for making ornaments and which tends to get tarnished black in the presence of moist air |
| 3 | An element which forms rust on exposure to moist air | 4 | Both brass and bronze are alloys of the element |
| 5 | A very reactive non–metal stored under water | 6 | The metal which exists in the liquid state at room temperature |
| 6 | Zinc metal when treated with dilute hydrochloric acid produces a gas of this element which when tested with burning splinter produces a pop sound. | 8 | An element with symbol Pb |
Write the steps that are followed to write down the chemical formula of a substance.
