Advertisements
Advertisements
Question
Write the formula of the following compound:
Sodium zincate
Advertisements
Solution
Sodium zincate - Na2ZnO2 - `"Na"^(1+)["ZnO"_2]^(2-)`
APPEARS IN
RELATED QUESTIONS
What do the following abbreviations stand for ?
- O
- 2O
- O2
- 3O2
Correct the following statement:
Molecular formula of water is H2O2
Give the empirical formula of Glucose C6H12O6 .
Identify the following substance:
An alkaline gas A which gives dense white fumes with hydrogen chloride.
Name the element in the compound and give the formula of the following compound:
Phosphoric acid
Name the element in the compound and give the formula of the following compound:
Blue vitriol
Write the formula of the following compound:
Sodium plumbite
Write the formula of the following compound:
Sodium hydroxide
Write the formula of the following compound:
Calcium nitrate
Write the formula of the following compound:
Calcium hydroxide
Write the formula of the following compound:
Lead [II] chloride
Write the formula of the following compound:
Silver [II] chloride
Define the term Relative atomic mass. State why indirect methods are utilised to determine the absolute mass of an atom. Explain in brief the indirect method used.
State of the following formula of a compound is incorrect. Incorrectly write the correct formula.
NaZnO2
State of the following formula of a compound is incorrect. Incorrectly write the correct formula.
Mg(SO4)2
State of the following formula of a compound is incorrect. Incorrectly write the correct formula.
NaO
State of the following formula of a compound is incorrect. Incorrectly write the correct formula.
KNO3
Give the chemical formulae for the following compounds and compute the ratio by mass of the combining elements in each one of them. (You may use appendix-III).
- Ammonia
- Carbon monoxide
- (Hydrogen chloride
- Aluminium fluoride
- Magnesium sulphide
There are ______ hydrogen atoms in water molecule.
There is ______ oxygen atom is water molecule.
