Roughly 160
They are considered effect monsters if they have the /Effect designation in their text box.
yes, junk synchron only affects monsters on the field. synchro fusionist activates in the graveyard.
Normal Monsters Effect Monsters Fusion Monsters Ritual Monsters Synchro Monsters XYZ Monsters Spell Cards Trap Cards
You may have a total of 15 fusion and synchro monsters in your extra deck(renamed from fusion deck with the addition of synchro monsters)
Generally, Synchro Summoning sends cards from the field to the Graveyard. There are some cards that allow you to use monsters in your hand as Synchro Material Monsters instead, such as Eccentric Boy.Eccentric BoyAttribute: WINDType: Spellcaster/Tuner/EffectLevel: 3ATK: 800DEF: 200When using this card as a Synchro Material Monster, the other Synchro Material Monsters is 1 monster in your hand. The Synchro Monster that used this card as a Synchro Material Monster cannot activate its effect, its effect(s) is negated, and is removed from play when removed from the field.
No, Synchro components are not 'tributed', they are just 'sent'. Monsters who can't be tributed can still be used as components for a Synchro Summon, and "Mask of Restrict" does not prevent the summon either.
You can have up to 15 synchro's or fussion monsters total in your extra deck.
Synchro Monsters are placed in the Extra Deck along with the Fusion Monsters at the beginning of a Duel.
Destroyed monsters go to the graveyard, including destroyed Fusion or Synchro monsters.
Yes of course. They're monsters with levels, just like normal and effect monsters.
who knows maybe over 50 synchros
Simply being a Tuner does not make a monster into an effect monster - it is not specifically an effect monster subtype, unlike Spirit or Toon. There are effect monsters who are Tuners, but there are also Normal Monsters with the Tuner subtype too, these are in no way counted as effect monsters.