Advertisements
Advertisements
Question
How many atoms are present in a PO4 3– ion?
Solution
P043- —> 5 atoms are present
APPEARS IN
RELATED QUESTIONS
Write the molecular formulae of Calcium hydroxide :
What is a molecule ? Explain with an example.
Fill in the following blanks :
1 mole contains .............. atoms, molecules or ions of a substance.
If one mole of nitrogen molecules weighs 28 g, calculate the mass of one molecule of nitrogen in grams.
Explain the term ‘atomicity’.
State the correct formula of the following from the option given:
Ammonium sulphate
State true of false. If false, give the correct statement.
Atoms cannot exist alone. They can only exist as groups called molecules.
Express each of the following in kilograms
5.873×10−21g
A group of atoms carrying a fixed charge on them is called ————.
A molecule that contains only one atom is called ______ molecule.
