Give the name of the element present in the following compound: Potassium sulphate

Give the name of the element present in the following compound:

Potassium sulphate

Short Answer

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Chapter 3 Atoms and Molecules
Exercises | Q 5. (d) | Page 36

State the term.

The number of atoms present in a molecule of an element _________

Define: Atomic number

What is meant by atomicity ? Explain with two examples.

Write the formulae of the following compounds. Also name the elements present in them.

Give one example of a triatomic molecule

Give a reason why –

Helium is considered monoatomic, but hydrogen a diatomic molecule.

State true of false. If false, give the correct statement.

NaCl represents one molecule of sodium chloride.

Which of the following is a triatomic molecule?

Give any two examples for heterodiatomic molecules.

Write any two classifications of a molecule.