横向
1
Smallest unit of an element
4
Our home planet
6
Hottest planet in solar system
7
Element found in all living things
纵向
2
Substance with pH above 7
3
Compound containing oxygen
5
Solid with repeating atomic pattern
8
Form of thermal energy
Smallest unit of an element
Our home planet
Hottest planet in solar system
Element found in all living things
Substance with pH above 7
Compound containing oxygen
Solid with repeating atomic pattern
Form of thermal energy