2&3. Both look like Buff Orpingtons, weird that one doesn't have a tail. Second one could go either way, third one looks like a roo with the comb at that age.
4&5. Possible Sapphire Olive Egger. Pullets.
6. Silver Laced Wyandotte. Thinking pullet.
7. Could be alot of things with the color, but thinking Columbian Wyandotte because of the comb. Pullet.