挑战 · 1000 LEVELS

Atomic Structure Challenge: 1000 Gamified Levels

Atomic Structure 挑战: 1000 levels of 10 questions; compute before revealing, with points, ranks and a share card. Challenge atomic structure combines mass number, charge and electron count in one question. For challenge items, identify whether the question asks for mass number, charge, protons, neutrons or electrons.

1000levels
10questions / level
0completed
0points
0streak
0due today

Loading 1000 levels…

1000-level map

Levels unlock in order; clearing one unlocks the next. Points can also unlock the next level.

Why these 1000 levels work

  1. Compute before choosing.
  2. Ten questions per level; the next unlocks on clear.
  3. Review misses on the forgetting curve.

Ten questions per level; clearing a level schedules reviews at 1/3/7/14/30/60/120 days. Points can unlock the next level; ranks rise with completed levels.

FAQ

Do questions repeat?

Yes, items recur for spaced review; the bank will grow.

How are points used?

50 points unlock the next level; clearing also unlocks it.

LEVEL CLEAR

过关!

1关卡
10/10正确
+20积分

打卡图

可截图保存,也可下载 PNG 分享。

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