Advertisements
Advertisements
Question
Write down the formulae for the following compounds :
Magnesium hydroxide
Advertisements
Solution
Magnesium hydroxide: Mg(OH)2
APPEARS IN
RELATED QUESTIONS
What is meant by the symbol of an element ? Explain with examples.
If the valency of hydrogen is 1 and that of nitrogen is 3, work out the formula for ammonia.
Name the following compounds. Also write the symbols/formulae of the ions present in them :
- CuSO4
- (NH4)2SO4
- Na2O
- Na2CO3
- CaCl2
The formula of a compound is X3Y. The valencies of elements X and Y will be respectively :
Complete the following statement by selecting the correct option :
The correct formula of aluminium oxide is
Fill in the blank:
Formula of iron (ill) carbonate is _____ .
Give the empirical formula of Acetylene C2H2
Name the element in the compound and give the formula of the following compound:
Glauber’s salt
State of the following formula of a compound is incorrect. Incorrectly write the correct formula.
(NH4)3SO4
Play a game for writing formula.
Example 1: Make placards with symbols and valencies of the elements separately. Each student should hold two placards, one with the symbol in the right hand and the other with the valency in the left hand. Keeping the symbols in place, students should criss-cross their valencies to form the formula of a compound.
