Atomic structure, bonding and strructure...

Atomic structure, bonding and strructure...

1. Isotopes

   • are atoms with the same number of protons but different number of neutrons

2. HFBrONIClAt are diatomic elements

3. Dot and cross diagrams of molecules

4. Simple covalent molecules have low melting and boiling points because little heat energy is required to break the weak intermolecular forces holding the particles together.

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