横向
1
Substance with pH below 7
2
Icy body with a tail near the sun
3
Form of thermal energy
4
Biological catalyst
6
Unit of electric potential
7
Glass that splits light into spectrum
10
Particle of light
纵向
2
Solid with repeating atomic pattern
3
Second lightest element
5
Compound containing oxygen
8
Substance with pH above 7
9
Ball of burning gas in space
11
Gas form of a liquid
