t5 first grow attempt

using 2 brand new t5 bright lights, 1/4 nutrients right now, 5.8 pH level of the soil. I was wondering if you could tell me if any of you can tell what strain any of these are especially curious of number 5. Also for someone who knows alot about growing if these plants look healthy for been alive for 10 days from seeds. Thanks

Number 1


Number 2


Number 3


Number 4


Number 5


Number 6