Exercise questions Ch -3 Atoms and molecules

Atoms & molecule

Differentiate between an atom and a molecule.

Mention the state of hybridisation of all the carbon atoms in he molecule CH_(2)=CH-CH=CH_(2)

The formal charges on the three O atoms in the O_3 molecule are

Akriti solved 10 questions of an exercise of 40 questions. Radhika solved 2/(5) of the same exercise. Who had solved more questions and by how many?

Write the number of H atoms in a molecule of alkyne if the number of C atoms is four. What is the formula of this molecule?