If a carbon atom has sp hybridisation on the carbon atom, what is the parent geometry on that carbon atom?

What structure is the molecule BrF₅?

Write the condensed electronic configuration of Na⁺.

Hint for answering: the condensed electronic configuration of carbon is [He] 2s2 2p2

Write out the full electronic configuration for Cl^-.

Hint for answering: The full electronic configuration of C is 1s2 2s2 2p2

The five ionisation energies below represent successive ionisation energies (IE) for a Period 2 element. Determine the identity of this element.

IE₁ = 801 kJ mol^-1, IE₂ = 2427 kJ mol^-1, IE₃ = 3660 kJ mol^-1, IE₄ = 25026 kJ mol^-1, IE₅ = 32827 kJ mol^-1