The autoslats will only deploy with TE flap at positions 1, 2 or 5; so I would hope the answer is no.
AoA - no idea, very few 737s have AoA indicators fitted. Whilst AoA would technically be more correct, we go by airspeed because that is what most of us are used to. Even the AFM graphs give stall speed as an IAS.
S&L