横向
1
Reddish electrical conductor
4
Chemical element in table salt
5
Mass per unit volume
6
Blocking of light by a celestial body
11
Unit of power
13
Force that attracts objects together
纵向
2
Center of an atom or cell
3
Glass that splits light into spectrum
7
Precious yellow metallic element
8
Unit of electric potential
9
Solid with repeating atomic pattern
10
Disturbance that transfers energy
12
Magnetic metallic element