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横向

1

Force that attracts objects together

5

Curved glass that refracts light

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Absolute temperature scale unit

7

Icy body with a tail near the sun

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Positive particle in nucleus

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Preserved remains of ancient life

11

Unit of power

纵向

1

Precious yellow metallic element

2

Substance with pH below 7

3

Second lightest element

4

Gas form of a liquid

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Solid with repeating atomic pattern

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Smallest unit of an element