横向
1
Biological catalyst
4
Positive particle in nucleus
5
Natural satellite of Earth
9
Second lightest element
10
Chemical element in table salt
纵向
2
Reddish electrical conductor
3
Molten rock beneath Earth surface
4
Tectonic landmass section
6
Gas essential for breathing
7
Substance with pH above 7
8
Naturally occurring inorganic solid