横向
1
Element found in all living things
3
Compound containing oxygen
5
Smallest unit of an element
7
Form of thermal energy
纵向
2
Particle of light
4
Unit of power
5
Substance with pH below 7
6
Magnetic metallic element
Element found in all living things
Compound containing oxygen
Smallest unit of an element
Form of thermal energy
Particle of light
Unit of power
Substance with pH below 7
Magnetic metallic element