横向
1
Force that attracts objects together
5
Curved glass that refracts light
6
Absolute temperature scale unit
7
Icy body with a tail near the sun
8
Positive particle in nucleus
9
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
7
Solid with repeating atomic pattern
10
Smallest unit of an element
