There are twelve players on the ice at once during a hockey game. There are six players per side, including the goaltender.
I'm pretty sure there can be as many substitutions as you want in the game.
22- 11 on each team. 10 field players and 1 goalie.
sixteen - twelve players and four officials
There are two intermissions in a hockey game. During the intermissions, the zamboni is brought out to make a pass over the ice to keep it smooth and fresh for the players.
5 skaters and 1 goaltender.
5 players on each team plus 1 goalie for each team so 12
In the National Hockey League, 20 players are allowed to dress for a game and 23 are allowed on the 'active roster'.
there are two defenseman, three offenseman and one goalie