横向
1
Chemical element in table salt
3
Substance with pH above 7
4
Basic unit of life
5
The Red Planet
8
Unit of force
纵向
2
Solid with repeating atomic pattern
4
Icy body with a tail near the sun
6
Curved glass that refracts light
7
Compound containing oxygen
9
Substance with pH below 7
10
Biological catalyst