Advertisements
Advertisements
Question
State of the following formula of a compound is incorrect. Incorrectly write the correct formula.
NaZnO2
Solution
NaZnO2
Correct formula – Na2ZnO2
APPEARS IN
RELATED QUESTIONS
What is meant by the symbol of an element ? Explain with examples.
The element having atomicity 'four' is most likely to be :
Write down the formulae for the following compounds :
Magnesium hydroxide
Give the formula and valency of:
Aluminate | ______ | ______ |
Write chemical formula of the sulphate of Aluminium, Ammonium and Zinc.
Correct the following statement:
Formula of iron (lll) oxide is FeO.
Give the empirical formula of Acetylene C2H2
XCl2 is the chloride of a metal X. State the formula of the sulphate and the hydroxide of the metal X.
Name the element in the compound and give the formula of the following compound:
Glauber’s salt
Write the formula of the following compound:
Sodium carbonate
Write the formula of the following compound:
Zinc nitrate
Write the formula of the following compound:
Copper [I] sulphide
Write the formula of the following compound:
Iron [II] oxide
Write the formula of the following compound:
Iron [III] oxide
Write the formula of the following compound:
Iron [III] sulphate
Write the formula of the following compound:
Silver [I] chloride
State of the following formula of a compound is incorrect. Incorrectly write the correct formula.
NaO
Write the steps that are followed to write down the chemical formula of a substance.
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.