横向
1
Amplified beam of light
2
Basic unit of life
5
Unit of electric potential
6
Biological catalyst
7
Gas essential for breathing
8
Measure of matter in an object
9
Second lightest element
12
Precious yellow metallic element
纵向
2
Solid with repeating atomic pattern
3
Chemical element in table salt
4
Positive particle in nucleus
8
Naturally occurring inorganic solid
10
Preserved remains of ancient life
11
Reddish electrical conductor
